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almond37 [142]
3 years ago
5

What must happen in order for water to change state?

Chemistry
1 answer:
malfutka [58]3 years ago
4 0

Answer:

B

Explanation:

if it releases energy it becomes a solid(Solid)

if it absorbs energy it becomes a gas(Water Vapor)

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Which element forms more compounds than all the other elements combined?
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The Element that form more compounds than all the rest is Carbon.

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List the properties of copper, sulfur and copper sulfide?
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3. 25. The temperatures favorable for the growth of most bacteria are
kvasek [131]

B.

about the same as for humans

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This is why most bacteria, during research in labs, are incubated at 37 degrees centigrade, about the same as human body temperature. In addition, harmful and beneficial bacteria thrive in the human body due to the favorable temperatures for growth and reproduction. To try and fight an infection, the body also tries to raise the body temperatures above the optimal for the bacteria  growth (the reason one has a fever in case of infection).

6 0
3 years ago
A eudiometer contains a 65.0 ml sample of a gas collected
SCORPION-xisa [38]

Answer:

53.1 mL

Explanation:

Let's assume an ideal gas, and at the Standard Temperature and Pressure are equal to 273 K and 101.325 kPa.

For the ideal gas law:

P1*V1/T1 = P2*V2/T2

Where P is the pressure, V is the volume, T is temperature, 1 is the initial state and 2 the final state.

At the eudiometer, there is a mixture between the gas and the water vapor, thus, the total pressure is the sum of the partial pressure of the components. The pressure of the gas is:

P1 = 92.5 - 2.8 = 89.7 kPa

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101.325V2 = 5377.45

V2 = 53.1 mL

6 0
3 years ago
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