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Nana76 [90]
3 years ago
9

WILL GIVE BRAINLIEST

Chemistry
1 answer:
joja [24]3 years ago
3 0

Answer:

Silver fluoride because it is the most soluble compared to the others.

Explanation:

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Mass of 60.009 g and radius of 1.02 cm what is the density of the sphere in (g/ml)
alexandr402 [8]
Density is given as mass / volume.

Mass is the sphere is 100 g.

Volume of the sphere = (pi∗r3)∗4/3
(
p
i
∗
r
3
)
∗
4
/
3

=(4∗22∗3∗3∗3)/(7∗3)cm3
=
(
4
∗
22
∗
3
∗
3
∗
3
)
/
(
7
∗
3
)
c
m
3

=792/7
=
792
/
7
cm3
3

Therefore, Density is 100/(792/7)g/cm3
100
/
(
792
/
7
)
g
/
c
m
3

Which gives: density = 0.883838 g/cm3
g
/
c
m
3

If you want to change the units to kg per cubic metres, then we need to divide this value by 1000( for g to kg) and multiply by 100 * 100 * 100 (for cm to m).

This makes the density to be 883.83 kg/m3
4 0
3 years ago
True or false; when something heats up, New energy is created, and when something cool down, Energy is destroyed.
Ann [662]

Answer:

This is false.

Explanation:

This statement directly opposes the first law of thermodynamics which states that energy can neither be created nor destroyed, but can transfer from one source to another.

4 0
2 years ago
A 1300 mL sample of gas with a molar mass of 71.0 g/mol at STP has what density?
Blizzard [7]

Answer:

0.055g/mL

Explanation:

Data obtained from the question include:

Molar Mass of the gass sample = 71g/mol

Volume of the gas sample = 1300 mL

Density =?

The density of a substance is simply mass per unit volume. It is represented mathematically as:

Density = Mass /volume.

With the above equation, we can easily obtain the density of sample of gas as illustrated below:

Density = 71g / 1300 mL

Density = 0.055g/mL

Therefore, the density of the gas sample is 0.055g/mL

6 0
3 years ago
Which is the BEST evidence that a chemical change has occurred?
MaRussiya [10]

d///////////////////////////////

3 0
3 years ago
What is the chemical formula for magnesium hydroxide?
ioda

Answer:

the chemical formula of magnesium hydroxide is Mg(OH)2

5 0
3 years ago
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