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chubhunter [2.5K]
2 years ago
8

Which air is driest?

Chemistry
1 answer:
nekit [7.7K]2 years ago
8 0

Answer: 2nd option

Explanation: took the quizz

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The diameter of a carbon atom is 0.000000000154 m. What is this number expressed in scientific notation?
Viktor [21]
1.54 x 10^-10 (ten to the negative tenth power)
8 0
3 years ago
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What is the difference between intermolecular forces and intramolecular forces
MrMuchimi

Answer:

Intramolecular forces are the forces that hold atoms together within a molecule. Intermolecular forces are forces that exist between molecules.

Explanation:

Examples: Intermolecular forces are categorized into dipole-dipole forces, London dispersion forces and hydrogen bonding forces.

Intramolecular forces are categorized into covalent, ionic and metal bonds

6 0
2 years ago
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If a gas sample has a pressure of 30.7 kPa at 0.00*C, by how much does the temperature have to decrease to lower the pressure to
Scrat [10]

Answer:

                      252.68 K  or   -20.46 °C

Explanation:

                    According to Gay-Lussac's Law, "Pressure and Temperature at given volume are directly proportional to each other".

Mathematically,

                                              P₁ / T₁  =  P₂ / T₂   ---- (1)

Data Given:

                  P₁  =  30.7 kPa

                  T₁  =  0.00 °C  =  273.15 K

                  P₂  =  28.4 kPa

                  T₂  =  <u>???</u>

Solving equation for T₂,

                  T₂  =  P₂ T₁ / P₁

Putting values,

                  T₂  =  28.4 kPa × 273.15 K / 30.7 kPa

                  T₂  =  252.68 K  or   -20.46 °C

8 0
3 years ago
Janet dough goes to the doctor for her check up her weight is measured as 115 pounds convert this to kilograms
JulsSmile [24]

Answer:

Hi! I believe this is your answer:

52 kilograms

Hope this helps, sorry if it's wrong!

Explanation:

6 0
2 years ago
The scientific theory of _________ states that populations change over time in response to changes in the environment.
Leto [7]
Natural selection I think
5 0
3 years ago
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