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zhenek [66]
4 years ago
11

Which method is the first step when scientists communicate their scientific results?

Chemistry
1 answer:
julsineya [31]4 years ago
4 0
It maybe hypothesis?
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A regular solid measures 13.4 cm x 11.0 cm x 2.2cm. Calculate the volume of the solid.
AlekseyPX

Answer:

324.28 cm cubed

Explanation:

13.4 cm x 11.0cm x 2.2cm = 324.28 cm cubed

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A student decided to research primate psychology for their science project. They measured how long it took gorillas to adapt to
Gwar [14]

Answer: the answer is  D im pretty sure

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For the following equilibrium system, which of the following changes will form more CaCO3? CO2(g) + Ca(OH)2(s) ⇌ CaCO3(s) + H2O(
Talja [164]

Answer: d. Remove one-half of the initial CaCO3.

Explanation: Le Chatelier's principle states that changes on the temperature, pressure, concentration and volume of a system will affect the reaction in an observable way. So in the reaction above:

A decrease in temperature will shift the equilibrium to the left because the reaction is exothermic, which means heat is released during the reaction. In other words, when you decrease temperature of a system, the equilibrium is towards the exothermic reaction;

A change in volume or pressure, will result in a production of more or less moles of gas. A increase in volume or in the partial pressure of CO2, the side which produces more moles of gas will be favored. In the equilibrium above, the shift will be to the left.

A change in concentration will tip the equilibrium towards the change: in this system, removing the product will shift the equilibrium towards the production of more CaCO3 to return to the equilibrium.

So, the correct answer is D. Remove one-half of the initial CaCO3.

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4 years ago
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Gender based violence law protects citizens against human right violation. The laws protects mostly females due to them being the weaker gender and them being taken undue advantage.

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