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sergey [27]
2 years ago
13

When an object travels no distance in a large amount of time, the object's speed is _____. A. fast B. slow C. zero

Chemistry
2 answers:
Nata [24]2 years ago
8 0

zero because its not going anywhere its stationary

hope this helped ^_^

Nat2105 [25]2 years ago
7 0

C, I believe. If it doesn't travel any distance, then it's speed should be zero, unless it is trying to travel against a conveyor or something.

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Which statement best explains why calcium has a larger atomic radius than magnesium? A. Calcium has a stronger nuclear charge th
ahrayia [7]

Answer:

B. calcium has electrons in more energy levels than magnesium

Explanation:

atoms are made of three types of subatomic particles - electrons, protons and neutrons.

Neutrons and protons reside in the nucleus of the atom and electrons reside in energy shells

electronic configuration for both Ca and Mg are as follows

Mg - 2,8,2

Ca - 2,8,8,2

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7 0
2 years ago
Read 2 more answers
Need help setting the problem up
Sveta_85 [38]

Answer:

4.0 moles

Explanation:

The following data were obtained from the question:

Volume (V) = 12L

Pressure = 5.6 atm

Temperature (T) = 205K

Gas constant (R) = 0.08206 atm.L/Kmol

Number of mole (n) =?

Using the ideal gas equation: PV = nRT, the number of mole of the gas can be obtained as follow

PV = nRT

5.6 x 12 = n x 0.08206 x 205

Divide both side by 0.08206 x 205

n = (5.6 x 12)/(0.08206 x 205)

n = 4.0 moles

Therefore, the number of mole of the gas is 4.0 moles

5 0
3 years ago
Which of the following examples is a molecule with a covalent bond?
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Answer:

B. CO

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