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djyliett [7]
3 years ago
14

Ingrid drew a diagram to compare two ways in which biodiversity can be protected.

Chemistry
2 answers:
kotegsom [21]3 years ago
7 0

Answer:

B. is often done in nature preserves

Explanation:

edge 2021

Sholpan [36]3 years ago
7 0

Answer:

The answer is often done in nature preserves

Explanation:

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3 years ago
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What makes noble gases stable?
inn [45]
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8 0
3 years ago
In a synthesis reaction, one reactant contains 346 J of chemical energy, and one reactant contains 153 J of chemical energy. The
Eduardwww [97]

Answer:

64J of energy must have been released.

Explanation:

Step 1: Data given

One reactant contains 346 J of chemical energy, the other reactant contains 153 J of chemical energy.

The product contains 435 J of chemical energy.

Step 2:

Since the energy is conserved

Sum of energy of Reactants = Energy of Products

Sum of energy of Reactants = 346 J + 153 J = 499 J

The energy of the product = 435 J

435 < 499

This means energy must have been lost as heat.

Step 3: Calculate heat released

499 J - 435 J = 64 J

64J of energy must have been released.

4 0
3 years ago
(please, I need some help)
olga55 [171]
c) the salt solubility decreases with temperature.

Salts usually dissolve in water at a given temperature. When water cannot dissolve anymore salt at that same temperature, it is known as a saturation point. With most substances the solubility increases with increase in temperature. Same is the case for a salt like potassium nitrate. With increase in temperature the ability of it to dissolve in water increases. And so with decrease in temperature, the solubility decreases.
7 0
3 years ago
How much energy does it take to boil 100 mL of water?
yawa3891 [41]

Answer:

the answer is D. Because the 1 atm pressure of water is 40.65 or 40.7.

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