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pentagon [3]
3 years ago
11

Fill in the blanks and correct anything that you think is wrong. Please?

Chemistry
1 answer:
kap26 [50]3 years ago
8 0

you are right on all the ones you did

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4. Is it possible for two different compounds to be made from the exact same two elements? Why or why not? With a limited number
densk [106]

no it is not possible, because they both have the same number of valence electrons in each element. in a compound you are supposed to have two or more elements that have different numbers of valence electrons so when put together they for a compound.

3 0
3 years ago
What product is released into Earth's atmosphere through the combustion of<br> fossil fuels?
mezya [45]

Answer:

Carbon Monoxide

Explanation:

Fossil fuels are hydrocarbons which only contain hydrogen and carbon.

When it is burnt in air, it reacts according to this general equation:

2(CH) + 3O2 >> H2O + CO + CO2

  • Carbondioxide
  • Carbon Monoxide
  • Water
7 0
1 year ago
Plz help me out!!!!!
Lelu [443]

Answer:

i am not 100% sure but im pretty sure there is.

Explanation:

7 0
2 years ago
Physical properties of reactants: Physical properties of products: 12.
dolphi86 [110]

Answer: The reactants are baking soda and vinegar. Baking soda is a white powder, and vinegar is a clear liquid. The products of this reaction are carbon dioxide, water, and sodium acetate. Carbon dioxide is a colorless gas, water is a colorless liquid, and sodium acetate is a white crystalline powder.

A chemical change can be seen in how the molecular formulas of the products are different from the reactants, since the reactants have chemically changed into completely different molecules.

Hope this helps

6 0
3 years ago
How can the amount of energy produced during a chemical reaction be determined ?
Naddika [18.5K]
By using thermodynamics; you would have to know what the ΔH of the reaction would be too. If an energy diagram is given, you can determine the ΔH from there
3 0
3 years ago
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