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NikAS [45]
3 years ago
13

What two elements in the sun mostly made of

Chemistry
1 answer:
ivanzaharov [21]3 years ago
8 0

The sun is made up of two main elements, hydrogen and helium.

  • Hydrogen makes up about 92% of all of the atoms in the sun while helium makes up about 7.8%.
  • Oxygen, carbon, neon and nitrogen make up most of the remaining 0.2%.
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2 years ago
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How many millimeters are in 251 cm?
antoniya [11.8K]

Answer:

2510

Explanation:

Since there are 10 milimetres in 1 centimetre, 1 cm = 10mm

There are 10 times as many milimetres as centimetres.

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The reaction between SO2 and O2 to give SO3 was studied to determine the rate law for the reaction. The following results were o
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Answer : (b) The rate law expression for the reaction is:

\text{Rate}=k[SO_2]^2[O_2]

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Rate law : It is defined as the expression which expresses the rate of the reaction in terms of molar concentration of the reactants with each term raised to the power their stoichiometric coefficient of that reactant in the balanced chemical equation.

The general reaction is:

A+B\rightarrow C+D

The general rate law expression for the reaction is:

\text{Rate}=k[A]^a[B]^b

where,

a = order with respect to A

b = order with respect to B

R = rate  law

k = rate constant

[A] and [B] = concentration of A and B reactant

Now we have to determine the rate law for the given reaction.

The balanced equations will be:

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The rate law expression for the reaction is:

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or,

\text{Rate}=k[SO_2]^2[O_2]

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3 years ago
List three examples of physical properties. (4 points)
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steposvetlana [31]

Answer:

It is not "strong acids have a low pH"  

Explanation:

I feel it should because that is a true statement but for Primavera it is wrong.

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3 years ago
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