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umka2103 [35]
3 years ago
6

Which of the following questions can be answered by science? (2 points) What makes a song sound beautiful? What is the meaning o

f life? What makes a painting beautiful? What are the effects of low pH in soil?
Chemistry
1 answer:
34kurt3 years ago
5 0

Answer:

D

Explanation:

Its the only answer that actually makes sense and i got it right on the quiz.

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The bonds in the compound MgSO4 can be described as
Butoxors [25]
C. Sulfur and oxygen (non metals) forms a covalent bond while the magnesium (a metal) will react with both non metals to form an ionic bond
7 0
3 years ago
What is the difference between a physical and chemical change? (Use words reactants, products, atoms and molecules.)
jeka94

Answer:

A physical change, such as a state change or dissolving, does not create a new substance, but a chemical change does. In a chemical reaction, the atoms and molecules that interact with each other are called reactants. In a chemical reaction, the atoms and molecules produced by the reaction are called products.

6 0
2 years ago
C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(l)
stiv31 [10]

¹/3 C3H8(g) + ⁵/3 O2(g)

Explanation:

The coefficient before every molecule is representative of the number of moles. We can represent it in ration form so as to calculate the question;

C₃H₈(g) + 5 O₂(g) → 3 CO₂(g) + 4 H₂O(l) means;

For every 1 mole of C₃H₈(g) and 5 moles of  O₂(g) produces  3 moles of  CO₂(g) and 4 moles of H₂O(l).

Therefore to produce 1.00 mole of CO₂(g);

We represent it in ratio;

C₃H₈(g) : CO₂(g)

1  :     3

What about ;

? (x)   :  1

We cross multiply;

3x = 1 * 1

X = 1/3

We evaluate the same for O₂;

O₂(g) : CO₂(g)

5 :     3

What about

? (x) :     1

3x = 5 * 1

x = 5/3

Learn More:

For more on evaluating moles in chemical reactions check out;

brainly.com/question/13967925

brainly.com/question/13969737

#LearnWithBrainly

7 0
3 years ago
How many particles are in 13.5 grams of Beryllium ?
Marina86 [1]

Explanation:

I don't know this answer what Hydrogen Helium lithium

4 0
2 years ago
Read 2 more answers
How many moles of carbon monoxide are there in 36.55 g of carbon monoxide?
Kitty [74]

You can find moles of a substance by dividing mass by the molecules molar mass.

Explanation:

Carbon Monoxides Molar mass is 12.0111 (Carbon) + 16.0000 (Oxygen) = 28.0111g/mol. Divide grams by molar mass:

<span><span><span>36.55g</span>28.0111</span>=1.305mol<span>s</span></span>

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3 0
3 years ago
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