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denis-greek [22]

3 years ago

11

A _______ reaction is when a compound containing carbon and hydrogen (and sometimes oxygen) combines with oxygen gas to produce

carbon dioxide and water.

1 answer:

ch4aika [34]3 years ago

6 0

This is categorized as a combustion reaction.

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in 1866, Gregor Mendel published his paper that described the research that led to his discovery of the laws of inheritance. Mor

julia-pushkina [17]

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The statement describes from the relationship between multiple approaches and familiarity with similar work. The answers is would be last sentences. D. Multiple approaches may occur because scientists develop similar interests independently.

4 0

3 years ago

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A vessel contains a mixture of gases. The mass of each gas used to make the mixture is known. Which of the following information

faltersainse [42]

Answer: The molar mass of each gas

Explanation:

Mole fraction is the ratio of moles of that component to the total moles of solution. Moles of solute is the ratio of given mass to the molar mass.

$\text{Mole fraction of solute}=\frac{\text{Moles of solute}}{\text{Total Moles}}$

Suppose if there are three gases A, B and C.

a) $\text{Mole fraction of A}=\frac{\text{Moles of A}}{\text{ Moles of (A+B+C)}}$

b) $\text{Mole fraction of B}=\frac{\text{Moles of B}}{\text{ Moles of (A+B+C)}}$

c) $\text{Mole fraction of C}=\frac{\text{Moles of C}}{\text{ Moles of (A+B+C)}}$

moles of solute = $\frac{\text {given mass}}{\text {Molar mass}}$

Thus if mass of each gas is known , we must know the molar mass of each gas to know the moles of each gas.

8 0

3 years ago

Which statement correctly describes the location and charge of the neutrons in an atom?

rodikova [14]

Answer:

o

Explanation:

6 0

3 years ago

Confirmatory test of oxygen meaning?

Darya [45]

Answer:

Oxygen supports combustion so a good method of testing for oxygen is to take a glowing splint and place it in a sample of gas, if it re-ignites the gas is oxygen. This is a simple but effective test for oxygen.

Explanation:

4 0

3 years ago

Number of Electrons = Number of Protons = Atomic __________________

Stella [2.4K]

Number

The atomic number is the number of protons in one atom of an element.

Hope this helps!

3 0

3 years ago

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