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expeople1 [14]
3 years ago
11

Which of the following is made of matter? a. the sun b. light c. heat d. energy

Chemistry
2 answers:
ollegr [7]3 years ago
4 0
A. the sun is made of matter
Akimi4 [234]3 years ago
3 0

Answer: Sun

Explanation:

Sun is made of matter. It is the nearest star and made of gas. It is a hot ball and constitutes of hydrogen. The Sun is so hot that it is converted into plasma.

The solid is first state of matter, when it is heated it is known as the second state of matter and gas is the third state of matter, and after this plasma is the fourth state of matter.

So, sun is made of plasma which is fourth state of matter.

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With the aid of a balanced chemical equation explain Chemical Reactions and the Types Of Chemical Reaction
e-lub [12.9K]

Answer:

Answers

1.)reactants: nitrogen and hydrogen; product: ammonia.

2.)reactants: magnesium hydroxide and nitric acid; products: magnesium nitrate and water.

3.)N 2 + 3H 2 → 2NH 3

4.)Mg(OH) 2 + 2HNO 3 → Mg(NO 3) 2 + 2H 2O.

5.)2NaClO 3 → 2NaCl + 3O 2

6.)4Al + 3O 2 → 2Al 2O 3

7.)N 2(g) + 3H 2(g) → 2NH 3(g)

Explanation:

''.''

6 0
3 years ago
4) What mass of hydrogen is formed when 2.00g of magnesium<br> Mg + H2SO4–&gt;H2SO4
DochEvi [55]

Answer:

0.16g

Explanation:

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7 0
3 years ago
Read 2 more answers
What are the 11 chemical elements that are gases at room temperature and pressure?
sineoko [7]
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5 0
3 years ago
What is the molarity of a solution that contains 148g NaOH in 4.00 L solution? a 0.925 M b 0.0253 M c 0.459 M d 1.363 M
Anton [14]

Answer:

M = 0,925

Explanation:

n= mass/Molecular Weight

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n= 3,7mol

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8 0
3 years ago
As you have seen, ozone is formed in the upper atmosphere through the reaction:
baherus [9]

The rate law equation for Ozone reaction

r=k[O][O₂]

<h3>Further explanation</h3>

Given

Reaction of Ozone :.

O(g) + O2(g) → O3(g)

Required

the rate law equation

Solution

The rate law is a chemical equation that shows the relationship between reaction rate and the concentration / pressure of the reactants

For reaction

aA + bB ⇒ C + D

The rate law can be formulated:

\large{\boxed{\boxed{\bold{r~=~k.[A]^a[B]^b}}}

where

r = reaction rate, M / s

k = constant, mol¹⁻⁽ᵃ⁺ᵇ⁾. L⁽ᵃ⁺ᵇ⁾⁻¹. S⁻¹

a = reaction order to A

b = reaction order to B

[A] = [B] = concentration of substances

So for Ozone reaction, the rate law (first orde for both O and O₂) :

\tt \boxed{\bold{r=k[O][O_2]}}

5 0
3 years ago
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