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Schach [20]
3 years ago
10

The element phosporus is located to the right of the element magnesium along the same period in the periodic table.

Chemistry
2 answers:
OverLord2011 [107]3 years ago
5 0

Answer:

the answer is B Phosphorus has a larger atomic mass.

Explanation:

took the test :]

mote1985 [20]3 years ago
3 0

Answer:

b

Explanation:

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If the pressure on a 1.04 L sample of gas is doubled at constant temperature, please compute the new volume of gas: __
natulia [17]

Answer:

0.52 L.

Explanation:

Let P be the initial pressure.

From the question given above, the following data were obtained:

Initial pressure (P1) = P

Initial volume (V1) = 1.04 L

Final pressure (P2) = double the initial pressure = 2P

Final volume (V2) =?

The new volume (V2) of the gas can be obtained by using the the Boyle's law equation as shown below:

P1V1 = P2V2

P × 1.04 = 2P × V2

1.04P = 2P × V2

Divide both side by 2P

V2 = 1.04P /2P

V2 = 0.52 L

Thus, the new volume of the gas is 0.52 L.

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Where is the mass of an atom located?<br>​
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The mass is located in the necleus.
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Rank these elements according to first ionization kr, br, se, as, ge, ga, ca, k
riadik2000 [5.3K]
<span>Kr> Br> As> Se> Ge> Ca> Ga > K </span>
6 0
3 years ago
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10. Which statement best describes evidence that a chemical reaction occurs as a cake bakes?
nydimaria [60]

Answer:

B.The cake rises as gas bubbles form in the baking cake preferably carbon dioxide

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Consider 55 mL of water (H2O) in a beaker and 55 mL of acetone [(CH3)2CO] in an identical beaker under identical conditions. Com
pashok25 [27]

Answer:

More slowly than

Larger than

Weaker

Explanation:

The vapor pressure of a solution describes how quickly a solution will turn into vapour. If we say that a solution has a high vapour pressure, we are actually saying that the solution turns into vapour more quickly.

Acetone has a higher vapour pressure than water so acetone turns to vapour quicker than water.

Vapour pressure has a lot to do with the magnitude of intermolecular forces in solution. The stronger the magnitude of intermolecular forces, the lower the vapor pressure and the more slowly the solution evapourates.

So, the hydrogen bonds in water provides stronger intermolecular forces than dispersion and dipole interaction in acetone. Hence, water vaporizes more slowly than acetone.

3 0
3 years ago
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