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Iteru [2.4K]
3 years ago
6

What would you observe in the reaction of calcium with nitric acid​

Chemistry
1 answer:
Marina CMI [18]3 years ago
6 0

Answer:

reacts to form carbondioxide

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A community consists of all the organisms in an ecosystem that belong to the same species.
choli [55]

Answer:

False

Explanation:

A community consists of all the organisms in an ecosystem that belong to the same species. Population density occurs when two or more organisms seek the same resource at the same time. A carrying capacity is anything that restricts the number of individuals in a population.

3 0
2 years ago
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A solution that holds more solute than it normally can under the conditions at a given temperature is _____.
Setler79 [48]
It would be super saturated
3 0
3 years ago
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Is there DNA in the stucture of prokryotic
azamat

Answer:

i hope this helped

They have no true nucleus as the DNA is not contained within a membrane or separated from the rest of the cell, but is coiled up in a region of the cytoplasm called the nucleoid. Prokaryotic organisms have varying cell shapes.

Explanation:

5 0
3 years ago
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This means that if there are 15.0 g of starting chemicals, also known as
Serggg [28]

Answer:

Reactants

Explanation:

"Starting chemicals", the substances present before a reaction occurs, are called reactants.

The results of the reaction are called products, which you would also have 15.0g.

4 0
3 years ago
Consider the exothermic reaction
alisha [4.7K]

Answer:

The answer to your question is -2855 J

Explanation:

Reaction

                     2C₂H₆  +  7O₂   ⇒   4CO₂  +  6H₂O

Formula

Heat of reaction = ΔHrxn = ΣΔHrxn products - ΣΔHrxn reactants

Substitution

ΔHrxn = { 4(-393.5) + 6(-241.8)} - {2(-84.7) + 7(0)}

ΔHrxn = {-1574 -1450.8} - {-169.4}

ΔHrxn = -3024.8 + 169.4

ΔHrxn = -2855.4 J

4 0
3 years ago
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