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motikmotik
2 years ago
8

Which statement would indicate the presence of an acid?

Chemistry
2 answers:
BARSIC [14]2 years ago
8 0
Hey, it would not chnage the color and it wouldn’t react with metals so it’s between those two options. Sorry, I don’t want to say something and it’s my wrong. That’s my best guest .
kvv77 [185]2 years ago
3 0

Answer:

hey the answer is that it reacts with active metals to form a gas.

Explanation:

sorry i know this is late

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True or false: the hydrogen atom is most stable when it has a full octet of electrons.
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<em>This statement is false.</em> When you say full octet, it means that an element opts to have eight electrons in its valence shell to become stable. However, since a hydrogen atom only has 1 electron when neutral, it is impossible to reach a full octet. That is why Hydrogen is one of the exceptions to this octet rule.
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3 years ago
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Describe one trait that you believe is unique to you that you think is
gladu [14]

Answer:

Mom and dad have blue eyes but I have brown.

Explanation:

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2 years ago
What what is the equation for percent error
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When you calculate results that are aiming for known values, the percent error formula is useful tool for determining the precision of your calculations. The formula is given by: The experimental value is your calculated value, and the theoretical value is your known value.
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3 years ago
Calculate the percentage of the void space out of the total volume occupied by 1 mole of water molecules. The density of water i
gtnhenbr [62]

Answer:

The percentage of the void space out of the total volume occupied is 93.11%

Explanation:

A mole of water contains 2 atoms of hydrogen and 1 atom of oxygen.

To calculate the volume of a mole of water, we calculate 2 times the volume of the hydrogen atom and 1 times the volume of the oxygen atom

Let's calculate this one after the other.

For the hydrogen, formula for the volume will be

V_{hydrogen = 2 × 4/3 × π × r_{H}^{3}

where r_{H}^{3} = 37 pm which is read as 37 picometer (1 picometer = 10^-12 m) = 37 × 10^{-12} meters

Volume of the hydrogen = 8/3 × (37 × 10^-12)^3 = 4.05 * 10^-31

we multiply this by the avogadro's number = 6.02 * 10^23

= 4.05 * 10^-31 * 6.02 * 10^23 = 2.6 * 10^-8 m^3

We do same for thr oxygen, but this time we do not multiply the volume of the oxygen by 2 as we have only one atom of oxygen

Volume of oxygen = 4/3 * π * (73 * 10^-12) ^3 * avogadro's number = 9.81 * 10^-7 m^3

adding both volumes together, we have 1.24 * 10^-6 m^3 or simply 1.24 ml ( 0.01 m = 1 ml)

Dividing the molar mass of one mole of water by its density, we can get the volume of 1 mole of water

= (18g/mol)/(1 g/ml) = 18 ml/mol

Now we proceed to calculate the volume of void = Total volume - volume of molecule = 18 - 1.24 = 16.76 ml

Now, the percentage of void = volume of void/total volume * 100%

= 16.76/18 * 100% = 93.11%

7 0
3 years ago
What family on the periodic table has ad least one solid, one liquid and one gas.
const2013 [10]

Answer:

FLUORINE, CHLORINE, BROMINE, IODINE, ASTATILE AND TENNESINE

Explanation :

Florine and chorine=gas

Bromine=liquid

ASTATILE and TENNESINE =solid

HOPE IT is right

5 0
3 years ago
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