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Lina20 [59]
3 years ago
10

Can anybody can solve this PLEASE

Chemistry
1 answer:
strojnjashka [21]3 years ago
8 0

Answer:

Explanation:

b is the most stable( noble gas ) since it has an octet valance shell and can't loses or gains any more of electrons

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If an object has a Mass of 11g and a volume fo 13mil, what is its density?
Nimfa-mama [501]

Answer:

\boxed {\boxed {\sf B. \ d \approx 0.85 \ g/mL}}

Explanation:

Density is found by dividing the mass by the volume.

d=\frac{m}{v}

The mass of the object is 11 grams and the volume is 13 milliliters.

m= 11 \ g \\v= 13 \ mL

Substitute the values into the formula.

d= \frac{11 \ g}{13 \ mL}

Divide.

d=0.846153846 \ g/mL

Round to the nearest hundredth. The 6 in the thousandth place tells us to round the 4 to a 5.

d \approx 0.85 \ g/mL

The density is about <u>0.85 grams per milliliter.</u>

8 0
3 years ago
An atom of Silver loses three electrons, what is its charge?
Dovator [93]

Answer:

+3

Explanation:

If an atom loses electrons, it becomes positive. Because silver loses 3 electrons, the charge becomes positive 3.

3 0
3 years ago
How many significant figures does 546.000 have
choli [55]
This has only only three sig figs because it is 546.000 the zeros are just place holders so thus meaning they are not significant. It is just another way to write 546 because in that number there is also 3 sig figs. They are just trying to throw you off. Just watch out because if the example is 540 then it is just two significant digits, and it were to be 540. then it be three cause that "." makes the zero significant.  <span />
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3 years ago
What is a wave produced by vibrating electric charges that can travel in matter and empty space?
Harman [31]
The answer is A

Explanation:
8 0
3 years ago
Read 2 more answers
A weather balloon is filled with helium that occupies a volume of 500 L at 0.995 atm and 32.0 ℃. After it is released, it rises
Yuki888 [10]

Answer : The volume of the balloon at the new location is, 591.3 L

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 0.995 atm

P_2 = final pressure of gas = 0.720 atm

V_1 = initial volume of gas = 500 L

V_2 = final volume of gas = ?

T_1 = initial temperature of gas = 32.0^oC=273+32=305K

T_2 = final temperature of gas = -12^oC=273+(-12)=261K

Now put all the given values in the above equation, we get:

\frac{0.995atm\times 500L}{305K}=\frac{0.720atm\times V_2}{261K}

V_2=591.3L

Therefore, the volume of the balloon at the new location is, 591.3 L

3 0
4 years ago
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