What units do scientists use to measure temperature and time?

Answers

Answer 1
Answer:

Answer:

Scientists commonly use two equivalent units of temperature, the degree Celsius and the kelvin.

Explanation:


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Carbonic acid dissolves limestone and other rocks. this is an example of _____. acid erosion chemical weathering biological weathering chemical erosion

Answers

Chemical weathering.

Which of the measurements below best agrees with the picture?A. 35.0 mL
B. 36.5 mL
C. 36.0 mL
D. 38.0 mL

Answers

B. 36.5 mL is the correct answer

A solution that is at equilibrium must be(1) concentrated (3) saturated(2) dilute (4) unsaturated

Answers

Answer:

(3) saturated

Explanation:

Hello,

In this case, a solution that is at equilibrium must be (3) saturated as at the equilibrium, the entire solute is completely dissolved into the solvent, so no leftovers are present. Unsaturated solutions are not at equilibrium since there is a portion of solvent that is not contributing to equilibrium. Concentrated solutions are not at equilibrium since they could have more solution than allowed into the solvent.

Best regards.

A solution that is at equilibrium must be saturated.

Under which conditions will gases best dissolve in liquids?

Answers

Gases best dissolve in liquid under low temperature. This is because when you increase the temperature it will cause an increase in kinetic energy. An increase in kinetic energy means there would be an increase in molecular motion of gas particles. This would cause for gas particles to escape to the gas phase thus making it difficult for it to be dissolved. 

Answer:

when the pressure is low and the temperature is low

Explanation:

Water is densest at 4°C. What is that temperature on the Kelvin scale?

Answers

Answer : The temperature on the kelvin scale is, 277.15 Kelvin

Explanation :

As we are given the temperature in degree Celsius. Now we have to need to convert the temperature from degree Celsius into kelvin.

Conversion used for the temperature from degree Celsius to Kelvin :

K=^oC+273.15\n\nK=4^oC+273.15=277.15K

Therefore, the temperature on the kelvin scale is, 277.15 Kelvin

4 + 273.15 = 277.15K

Which of the following describe chemical properties?Sugar burns in air to form water and carbon dioxide
Water freezes
Titanium is less dense than iron
Iodine ( a purple solid) becomes a purple gas

Answers

sugar burns in air.....................................