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Kazeer [188]
2 years ago
7

.

Chemistry
1 answer:
777dan777 [17]2 years ago
6 0
1]Well if the planets were removed the pray would have no food to eat, because of this the food chain would most likely die out, or the pray would need to find a new location with materials they can consume.

2]Explain how energy is transferred through food chains and food webs in an ecosystem. Energy is transferred through the separate trophic levels of a food chain or web by feeding.The first trophic level (producers) is that of plants which are examples of autotrophs – they make their own food.
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What is the molarity of a solution that contains 0.400 mol HCI in 9.79 L solutions ​
USPshnik [31]

Molarity's formula is known as: Molarity(M)=moles of solute/liters solution.

In this case we are already given moles and liters so you just have to plug the numbers into the equation.

0.400 mol HCL/9.79L solution=0.040858M

If you were to use scientific notation, the answer will be: 4.1*10^-2, but otherwise, you can just use the decimals above and round appropriately as you see fit.

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3 years ago
Which comppund contains both ionic and covalent bonds
Anna11 [10]

Answer:

potassium contains both Ionic and covalent bonds

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Reaction 1: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), ΔH1=−2043 kJ
Leokris [45]
Given teh equation adn the heat of reaction, reaction 2's heat of reaction can be obtained by simply multiplying teh heat of reaction of 1 by 3. The final answer is -6129 kJ. 
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2. What was the primary goal of the Apollo program?
babunello [35]

Answer:

B

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to conduct scientific exploration of the moon

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About one hundred thousand years ago, very fluid lava started erupting slowly and gently from a place near a plate boundary. Wha
victus00 [196]

a is the answer because all of the other answers are wrtong

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