Chemistry Middle School

The ratio of chlorine to hydrogen chloride in the reaction

H2(g) + Cl2 (g) -> 2 HCl(g) is

Answers

Answer 1

Answer:

1:2.

Explanation:

For the balanced reaction:

H₂(g) + Cl₂(g) → 2HCl(g),

1.0 mole of H₂(g) reacts with 1.0 mole of Cl₂(g) to produce 2.0 moles HCl(g),

∴ The ratio of chlorine (Cl₂(g)) to hydrogen chloride (HCl(g)) is 1:2.

Answer 2
Final answer:

The ratio of chlorine to hydrogen chloride in the balanced reaction H2(g) + Cl2 (g) -> 2 HCl(g) is 1:2. This ratio is derived from the coefficients in the balanced chemical equation.

Explanation:

In the balanced reaction H2(g) + Cl2 (g) -> 2 HCl(g), the ratio of chlorine (Cl2) to hydrogen chloride (HCl) is 1:2. This means that for every 1 mole of chlorine gas, 2 moles of hydrogen chloride are produced. The ratio does not represent the actual amount of substances, but rather the relative amounts of reactants and products based on their coefficients in the balanced equation.

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Related Questions

The diagram below shows two natural processes. Which of these statements is correct about Process 1 and Process 2?
A. Both processes create mid-ocean ridges
B. Both processes create high mountain ranges.
C. Process 1 creates mid-ocean ridges and Process 2 creates high mountains.
D.Process 2 creates mid-ocean ridges and Process 1 creates high mountains.

Answers

Answer:

C. Process 1 creates mid-ocean ridges and Process 2 creates high mountains.

Explanation:

The diagram shows two natural processes, process 1 creates mid-ocean ridges and Process 2 creates high mountains.

What is an ocean ridge?

Ocean ridges are present in the base of oceans. They are of nearly 5 km to 2.6 km depth and thousands km wide.

The formation of an ocean ridge occurs when divergent boundaries plates separate and molten lava come upside.

Thus, the correct option is C. Process 1 creates mid-ocean ridges and Process 2 creates high mountains.

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How many oxygen atoms are there in the product: 6Ca+4PO4→2Ca3(PO4)2? A. 16 B. 2 C. 4 D. 8

Answers

Answer:

The correct answer is option A.

Explanation:

[tex]6Ca+4PO_4\rightarrow 2Ca_3(PO_4)_2[/tex]

Number of molecules of [tex]Ca_3(PO_4)_2[/tex] =2

In 1 molecule [tex]Ca_3(PO_4)_2[/tex] , there are 8 oxygen atoms:

[tex]4\times 2 = 8 [/tex]oxygen atoms.

Then 2 molecules of [tex]Ca_3(PO_4)_2[/tex] :

[tex]2\times 8 = 16[/tex] oxygen atoms.

Hence, the correct answer is option A.

There are 16 oxygen atoms in the product of the reaction 6Ca + 4PO₄ rightarrow 2Ca₃(PO₄)₂, because each molecule of the product contains 8 oxygen atoms and the reaction produces two molecules.So,option A is correct.

The number of oxygen atoms in the product of the reaction 6Ca + 4PO₄ rightarrow 2Ca₃(PO₄)₂, we need to look at the chemical formula of the product, calcium phosphate, which is Ca3(PO4)2. This formula indicates that each molecule has two phosphate (PO₄) groups. Therefore, in total, there are 8 oxygen atoms within one formula unit of the product (4 x 2 = 8).

Since the balanced chemical equation shows the formation of two formula units of calcium phosphate, we need to multiply the number of oxygen atoms in one unit by 2 to get the total number of oxygen atoms in the product. That would be 8 oxygen atoms per unit x 2 units = 16 oxygen atoms in total in the products.

Thus, the correct answer to the question is A. 16 oxygen atoms.

Blood is a type of connective tissue. All of these make up blood tissue, except:
A) platelets
B) red blood cells
C) white blood cells
D) smooth muscle cells

Answers

Answer: Smooth Muscle Cells

Answer:

The answer is D

Explanation:

How many moles of chlorine are in 300 liters of chlorine

Answers

Answer:

13.39 mol ≅ 13.4 mol.

Explanation:

It is known that 1.0 mole of any gas occupies 22.4 L at STP conditions.

Using cross multiplication:

1.0 mole of Cl₂ occupies → 22.4 L.

??? mole of Cl₂ occupies → 300.0 L.

∴ The no. of moles of Cl₂ are in 300 liters = (1.0 mol)(300.0 L)/(22.4 L) = 13.39 mol ≅ 13.4 mol.

What is the relationship between wavelength and frequency

Answers

Answer:

Explanation:

are inversely proportional- the longer the wavelength the shorter the frequency.

Answer:

Inverse

Explanation:

Calculate the density if the Mass = 25.69 g and the Volume = 10.5 g/mL

Answers

Answer:

d=2.44 g/ml

Explanation:

d=m/v

d=25.69g/10.5ml

d=2.44 g/ml

Final answer:

The density is calculated by dividing the mass of a substance by its volume. For the given mass of 25.69 g and volume of 10.5 cm³, the density is 2.45 g/cm³.

Explanation:

The question is asking to calculate the density of a substance when given the mass and the volume. To calculate density, the formula density = mass/volume is used.

It seems there is a typo in the given volume units (g/mL instead of cm³ or mL), I'll correct that and assume the volume is given in cm³ or mL, as density is typically expressed in g/cm³ or g/mL, and these units are equivalent.

For example, if we have a mass of 27.8 g and a volume of 25.3 cm³, the density would be calculated as 27.8 g ÷ 25.3 cm³ = 1.10 g/cm³. Following this method and using the student's values:

Mass = 25.69 g

Volume = 10.5 cm³

The calculated density would then be 25.69 g ÷ 10.5 cm³ = 2.45 g/cm³. This final answer is rounded to the second decimal place to match the precision of the given volume.

which of the following is not a possible energy conversion for electricity?
a. mechanical
b. chemical
c. biological
d. thermal
please help me

Answers

A is the correct answer

Electrical energy may be produced from chemical energy. Heat energy may be produced from thermal energy. Electrical energy, potential energy, etc. can be created from mechanical energy. Mechanical energy is not a possible energy conversion for electricity

What is mechanical energy ?

Potential energy plus kinetic energy are combined to form mechanical energy. According to the concept of mechanical energy conservation, mechanical energy remains constant in an isolated system when only conservative forces are acting on it.

If an object is moving or in a certain position in relation to the surface, it has mechanical energy.

A box placed vertically above the ground, for instance, will only contain potential energy. A moving object has mechanical energy, often known as kinetic energy, because of its motion.

Thus, option A is correct.

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