Answer:
the answer is 58000000000 nanometers
Different conversion units are used to evaluate different parameters. Therefore, 5.8 ×10¹⁰nm in 0.058 km.
What is unit conversion?Unit conversion is a multi-step procedure that includes multiplying or dividing a number by a numerical factor. Weight, distance, as well as temperature may all be measured in many ways. Distance is expressed in kilometers, mass in kilos, and temperature in degrees Celsius in many nations.
Unit converting is a multi-step procedure that requires multiplying or dividing by a numerical number or, more specifically, a conversion factor. The technique may also require selecting the appropriate number of important digits and rounding. Different conversion units are used to evaluate different parameters.
1km= 10¹²nm
0.058 km = 0.058 ×10¹²= 5.8 ×10¹⁰nm
Therefore, 5.8 ×10¹⁰nm in 0.058 km.
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When a single celled organism copies its own DNA and splits into two new daughter organisms it is called
binary fission
external reproduction
fragmentation
regeneration
Answer:
binary fission
Explanation:
Which of these is an example of investigating an intensive property?
weighing sand in a bag
measuring the length of wire
determining if a rock is magnetic
recording the volume of water in a cylinder
Determining if a rock is magnetic is an example of investigating an intensive property.
C. determining if a rock is magnetic
Explanation:
Intensive properties don't rely upon the measure of the substance present. A few instances of serious properties are shading, taste, and dissolving point. Partitioning one broad property by another broad property, by and large, gives a concentrated worth—for instance, mass (broad) isolated by volume (broad) gives thickness (escalated). The proportion between the two broad properties is a concentrated property. For instance, mass and volume are broad properties, however, their proportion (thickness) is a concentrated property of issue.
Intensive properties are independent of the amount of substance present. The example of investigating an intensive property given is 'determining if a rock is magnetic'. This is distinguished from extensive properties, like mass, length, and volume.
Explanation:An intensive property is a property of a substance that does not depend on the amount of the substance present. They include properties like temperature, color, hardness, melting point, boiling point, pressure, molecular weight, and density. Among the examples provided, the one that involves an investigation of an intensive property is 'determining if a rock is magnetic'. Whether a rock is magnetic or not is independent of the amount of material you have.
This is contrasted with extensive properties, which do depend on the amount of the substance present. Examples of these would include mass, length, and volume—all options provided except determining if a rock is magnetic.
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A doctor orders 2.0 mg of morphine. How many mL of morphine should you
administer to a patient, if a vial of morphine is 10.0 mg per 1.0 cm3?
Answer:
Morphine Sulfate 10 mg/ml solution for injection
Explanation:
Each ml of solution for injection contains 10 mg Morphine Sulfate
This medicine contains a maximum of 3.3 mg of sodium per each 1 ml ampoule.
What is the name of the covalent compound that consists of two atoms of silicon and six atoms of bromine? What is its chemical formula?
Answer: Disilicon hexabromide ( Si2Br6 )
Explanation: First name the prefix of the first element then the prefix of the second element and change bromine to -ide.
The chemical formula of the covalent compound with 2 silicon and 6 bromine atoms has been [tex]\rm \bold{Si_2Br_6}[/tex].
The chemical formula has been the representation of the chemical compound that has been consisting of the number of atoms of each element that are present in the compound.
The chemical formula has been written with the elemental symbol, having the number of atoms of each element in the subscript.
The given covalent compound has been consisted of:
2 Silicon atoms = [tex]\rm Si_2[/tex]
6 Bromine atoms = [tex]\rm Br_6[/tex]
The chemical formula of the compound has been = [tex]\rm Si_2Br_6[/tex].
The chemical formula of the covalent compound with 2 silicon and 6 bromine atoms has been [tex]\rm \bold{Si_2Br_6}[/tex].
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Using the periodic table, which of the following chlorides is ionic?
Explanation:
Using the periodic table, to predict the chloride that is ionic or not, we should first understand how ionic compounds are formed.
Ionic compounds are formed between a highly electronegative element and less electronegative one.
It is usually a bond formed between metals and non-metals. Metals are on the left block and non-metals on the right block. In the formation of this bond type, a metal loses its excess electrons and becomes positively charged. A non-metal gains the electron and becomes negatively charged. The electrostatic force of attraction between the two species causes the formation of ionic bonds. Ionic bonds forms between metals and non-metals with appreciable electronegative differences.learn more:
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Find the mass, in grams, of 3.758 mol CH4. ( show work )
Answer:
The mass of CH4 is 60, 29 grams.
Explanation:
We use the weight of the atoms C and H for calculate the molar mass:
Weight of CH4= weight C+ 4 x weight H= 12,01 g/mol +4 x 1,008g/mol=
Weight of CH4 =16, 042 g/mol
1molCH4-----16, 042grams
3,758 mol CH4--X= (3,758 mol CH4 x 16, 042 grams)/1 mol CH4=60,285836 grams
What is the mass(g) of 9.00 moles of water?
Hey There !:
Molar mass of H₂O = 18.01 g/mol
Therefore:
1 mol H₂O ----------------- 18.01 g/mol
9.00 moles ---------------- ( mass of H₂O )
mass of H₂O = 9.00 x 18.01 / 1
mass of H₂O = 162.09 / 1
mass of H₂O = 162.09 grams
I hope that it helps !
How do you distinguish a chemical change from a physical change
Answer:
One distinguishing feature between physical and chemical changes is that a physical change can be reverse or turn back to its original form, but chemical change cannot be return to its form because the material change.
Explanation:
When the fluid cools, the kinetic
energy of the inolecules decreases. This causes the
molecules to slow down and move closer together. Sines
the molecules are closer together, the density of the fluid
increases and the fluid sinks.
The kinetic energy of the molecules decreases
The molecules slow down
The molecules move closer together
The density of the fluid increases
The fluid sinks
Answer:
all of em
Explanation:
Final answer:
When a fluid cools, the density increases as molecules move closer together due to a decrease in kinetic energy, causing the fluid to sink.
Explanation:
Density of the fluid increases as the temperature decreases and molecules move closer together due to a decrease in kinetic energy, causing the fluid to sink. This phenomenon is observed in various liquids, including water, where as the temperature drops, the density of the liquid increases.
What is the balanced product of Ba(CN)2+(NH4)2SO4
Answer: Ba(CN)2 + (NH4)2SO4 => BaSO4 + 2 NH4CN
Explanation: The reaction will produce BaSO4 Barium sulfate and NH4CN Ammonium cyanide.
Describe the electrochemical series and why it’s important in understanding metals.
Answer:
The electrochemical series is an arrangement of metals in such order that any metal in the list is displaced from its compounds by any metal above it, but displaces any metal below it. The higher up the list a metal is, the greater its activity. Knowing a metal’s placement on this chart can help you understand the activity of the metal, especially in regard to its ability to displace hydrogen in acids. Any items on the list far above hydrogen will do a good job at displacing it, those near it won’t do such a good job, and those below it won’t displace it from acids at all.
Explanation:
I got this answer straight from Penn foster.
Electrochemical series has been the arrangement of metals based on reactivity. It has been important in understanding the reactivity of metals.
Electrochemical series has been the arrangement of the metals in the order of decreasing order of the reactivity. The arrangement has been mediated in the metals arranged above are more reactive and able to displace the lower metals in the series.
The electrochemical series has been important for understanding metals as for the reaction, the compound formed and most reactive compound has been determined easily.
Thus, electrochemical series has been the arrangement of metals based on reactivity. It has been important in understanding the reactivity of metals.
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Calculate the mass for 3 moles of ammonia.
Answer: 51g
Explanation:
n = m/M (where 'n' is the number of moles, 'm' is the mass and 'M' is the molar mass)
n = 3 moles (Given in the question)
M = 17
(This is because nitrogen has a relative mass of 4u and hydrogen has a relative mass of 1u)
We can rearrange the equation and get that
n * M = m
Therefore, 3 * 17 gives you the mass of 3 moles of ammonia
Which is 51g.
Answer: 51g
Explanation:
To solve for the mass of 3 moles of ammonia(NH3), let's get the mass of 1 mole of ammonia(NH3)
1mole of ammonia (NH3) = 14 +(3x1) = 17g.
Therefore,
3 moles of NH3 = 3 x 17 = 51g
At low temperatures and pressure, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions?
Answer:
It is less
Explanation:
At low temperatures and pressures, the volume of a real gas is generally smaller compared to the volume of an ideal gas under the same conditions.
This is due to the fact that real gases exhibit intermolecular interactions, such as attractive forces between the gas molecules. These interactions cause the gas particles to be closer together and occupy a smaller volume compared to an ideal gas, which assumes no intermolecular forces and occupies a larger volume.
At low temperatures, the kinetic energy of gas particles decreases, and the intermolecular forces become more significant. This leads to a reduction in the overall volume of the gas as the particles are more closely packed.
Therefore, at low temperatures and pressure, the volume of real gas is smaller than ideal gas.
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The smell of hot food moves faster than the smell of cold food. Which property of gas is responsible for this? A. The kinetic energy of gas particles is higher in hot food than in cold food. B. The kinetic energy of gas particles is lower in hot food than than in cold food. C. The volume of gas molecules is higher in hot food than in cold food. D. The pressure exerted by gas molecules is higher in hot food than in cold food.
A. The kinetic energy of gas particles is higher in hot food than in cold food.
Explanation:
The smell of a hot food moves faster than the smell of a cold food because the kinetic energy of gas particles is higher in hot food than in cold food.
Let us establish that the smell of the food perceived are gases from the food.
Both hot food and cold food emits these gases that tinkers our olfactory nerves. Hot food produces a hot gas. The higher the temperature the more kinetic energy it possess. This makes the gases more dispersed and it spreads faster. The cold food produces gas at a lower kinetic energy.learn more:
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Final answer:
The smell of hot food moves faster than cold food because A. The kinetic energy of gas particles is higher in hot food than in cold food. As temperature increases, particles move faster, spreading the smell more quickly.
Explanation:
The smell of hot food moves faster than the smell of cold food because of the kinetic energy of gas particles. As the temperature of a substance increases, so does the kinetic energy of its particles. Higher kinetic energy results in particles moving faster, which facilitates quicker dispersion of the smell.
Therefore, the correct answer to this question is A. The kinetic energy of gas particles is higher in hot food than in cold food. The kinetic-molecular theory explains that an increase in temperature leads to a greater average kinetic energy of the particles. As a result, the particles in the gas move more rapidly and the scent of hot food diffuses more quickly than that of cold food.
Which statement is correct?
.
O
The volume of 1 mol of CO2 is greater than that of 2 mol of Oz.
The volume of 1 mol of CO2 is greater than that of 1 mol of Nz.
The volumes of 2 mol of O2 and 1 mol of N, gases are the same.
The volumes of 1 mol of CO2 and 1 mol of N, gases are the same.
Answer:
The volumes of 1 mol of CO2 and 1 mol of N2, gases are the same.
Explanation:
1 mole of a gas occupy 22.4L at stp. This is true for all gases. So,
1mol of CO2 = 22.4L
1mole of N2 = 22.4L
From the above illustration, 1mole of CO2 and 1mole N2 have the same volume at stp
Answer: The volumes of 1 mol of CO2 and 1 mol of N, gases are the same.
Explanation:
2. What's the kinetic energy of an object that has a mass of 12 kilograms and moves with a velocity of 10 m/s?
Explanation:
Energy
It is ability to do work .
There are so many forms of energy .
out of which mechanical energy is also one of the form .
Mechanical energy
It is the energy possessed by the body by virtue of its motion and state .
It is of two types :
Kinetic energy Potential energyKinetic energy
It is the energy possessed by the body by virtue of its motion .
Its expression is :
K.E=1/2mv²
Here in above question it is given that :
mass = 2Kg
V=10m/sec
K.E will be = 1/2 x 2 x 10 x 10
K.E=100 J
HCl + ca(oh)2 - - -??
2 HCl + Ca(oh)2 ---------- CaCl2+ 2 H2O
Answer:
2HCl + Ca(OH)2 -> CaCl2 + 2H2O
Explanation:
This is the balanced equation for this problem the original answer was not balanced properly
What is the kinetic energy of the ball as it is half way through the fall?
Answer & Explanation:
As the ball falls towards the ground, its gravitational potential energy is transformed into kinetic energy. The kinetic energy of an object is the energy it possesses due to its motion.
How many moles of O2 will be produced if you react 6 moles of KCIO3 ?
Answer:
12
Explanation:
2x6
Answer: 18 moles
Explanation:
in order to find that u need to take the coefficents of each of the compounds. that gives a ratio of 2:3.
now we find out how many each unit is: 2x = 12x = 6
now, we multiply it by 3 to find the number of moles of O23(6) = 18 mol O2.
Select the correct statement to describe when a sample of water vapor condenses into liquid water.
Temperature decreases, molecular motion decreases, volume decreases, and shape becomes more defined Temperature decreases, molecular motion increases, volume decreases, and shape becomes less defined Temperature increases, molecular motion decreases, volume decreases, and shape becomes less defined Temperature decreases, molecular motion increases, volume increases, and shape becomes more defined
Answer:
Explanation:
Final answer:
When water vapor condenses into liquid water, A) Temperature decreases, molecular motion decreases, volume decreases, and shape becomes more defined compared to the gas.
Explanation:
The correct statement to describe when a sample of water vapor condenses into liquid water is A) Temperature decreases, molecular motion decreases, volume decreases, and shape becomes more defined. When water vapor cools down, the molecules lose kinetic energy and move less vigorously, which allows them to come closer together and form liquid water, a process known as condensation. This is also associated with a decrease in volume since the molecules are now more closely packed than they were in the gaseous state. Additionally, the shape becomes more defined because liquids have a definite volume but no definite shape, conforming to the shape of their container, unlike gases that fill the entire space available to them.
PLEASE ANSWER
Based on the chart below order each of the substances according to how fast sound waves would travel through them (1 fastest- 5 slowest):
Answer: fastest through steel
Explanation:
Sound waves travel fastest through solids, basically the one with the most density.
So fastest through steel
Then Al
Then water
Then ethanol
Then air
In an aqueous solution, the solute is the part of the solution that is being dissolved in water.
True or False?
What is the kinetic energy of the ball just before it hits the ground?
Answer:
1 joule
Explanation:
If you drop a softball from just above your knee, the kinetic energy of the ball just before it hits the ground is about 1 joule
Answer:
When the ball is held up, it has a lot of potential energy and no kinetic energy. As it falls, it starts losing it's potential energy and speeds up to get more kinetic energy. When it hits the floor it has no potential energy, but lots of kinetic energy.
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The diagram below shows the structure of an animal cell.
The image of an animal cell is shown with some organelles labeled numerically from 1 to 6. The outer double layer boundary of the cell is labeled 1. A stacked disc like structure is labeled 2. A broad rod shaped structure with an irregular shape inside it is labeled 3. The entire plain section that forms the background of the cell and is within the outer boundary is labeled 4. A small circular shape within the large circular shape is labeled 5. The large central circular shape is labeled 6.
Which number label represents the mitochondria?
1
2
3
6
Answer:
3, the mitochondria has a certain shape and number 3 has the same shape.
Explanation:
Answer: It is number 3
Explanation: I am doing the test right now
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Frank has a sample of steel that weighs 80 grams. If the density of his sample of steel is 8 g/cm^3, what is the sample’s volume
Answer:
v = 10 cm³
Explanation:
Given data:
Mass of sample = 80 g
Density of sample = 8 g/cm³
Volume of sample = ?
Solution:
We will calculate the volume by rearranging the density formula,
Density:
Density is equal to the mass of substance divided by its volume.
Units:
SI unit of density is Kg/m3.
Other units are given below,
g/cm3, g/mL , kg/L
Formula:
d =m/v
d = density
m =mass
v = m/d
Now we will put the values in formula,
v = 80 g / 8 g/cm³
v = 10 cm³
How is the earth like a gigantic recycling center
Answer: The earth is like a recycling center because as things are being used other organisms can use their waste to live.
Explanation: The cycle is cyclic allowing for the cycle to never end unless things are destroyed.
Earth is compared to a gigantic recycling center due to its natural recycling processes like the water and carbon cycles, and human-driven recycling practices. While recycling reduces environmental impact compared to using primary resources, challenges such as plastic waste remain significant, exemplifying Earth's complex role in managing and recycling its resources.
Explanation:The Earth can be likened to a gigantic recycling center due to its processes that replicate recycling. Much like a recycling center, the Earth undergoes continuous cycles of using, reusing, and disposing materials. For example, within the water cycle, water is evaporated, condensed, and precipitated repeatedly, ensuring it's continuously recycled. The carbon cycle sees carbon atoms move from atmosphere to plants, to animals, and back to the atmosphere. This demonstrates Earth's natural capacity to recycle nutrients and elements, keeping ecosystems functioning.
Beyond natural cycles, human activities also contribute to Earth's role as a recycler. Material recycling, including metal and paper, has environmental impacts but is still favorable compared to using primary resources. The energy required for recycling metals, especially aluminum, is less than that for extracting and processing the raw materials. Recycling paper saves trees, a vital resource, and maintains biodiversity. However, plastic recycling is less efficient in terms of energy and resource use, so reducing its use is preferable.
Challenges arise when the conversation turns to the sheer volume of waste humans produce, like over 300 million metric tons of plastic annually, some ending up in places like the Great Pacific Garbage Patch. Despite recycling efforts, the quest for waste management solutions persists. These facts showcase Earth's extensive recycling mechanisms, both natural and human-driven.
Solar energy received by the Earth's surface causes the Earth's surface to heat up during the day. Which of the following heat transfer mechanisms is the main cause of the surface gaining heat? A. radiation B. convection C. conduction D. advection
Answer:
radiation
Explanation:
ireally need help
Most substances _______ in temperature and _______ when heat is added to them.
A.
decrease; contract
B.
increase; expand
C.
increase; contract
D.
decrease; expand
PLEASE ANSWER
What do all forms of electromagnetic radiation have in common?
A. Their strength in the atmosphere
B. Their frequency
C. Their wavelength
D. Their speed in a vacuum
Answer:
D. Their speed
All forms of electromagnetic radiation, regardless of their differences in frequencies and wavelengths, share the common quality of having the same speed in a vacuum, which is approximately 3.00 x 10^8 meters per second.
Explanation:All forms of electromagnetic radiation, regardless of their different frequencies or wavelengths, share one common quality: their speed in a vacuum. When traveling through a vacuum, all electromagnetic waves move at the constant speed of about 299,792 kilometres per second (or equivalently, about 186,282 miles p/s), commonly approximated as 3.00 x 10^8 meters per second. This trait applies to all kinds of electromagnetic radiation, including visible light, X-rays, microwaves, and radio waves.
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how do you do ionic equations
Answer:
Ionic equations and net ionic equations are usually written only for reactions that occur in solution and are an attempt to show how the ions present are reacting. While ionic equations show all of the substances present in solution, a net ionic equation shows only those that are changed during the course of the reaction.
Explanation:
example: Mg + 2 HCl MgCl2 + H2