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Marrrta [24]
3 years ago
9

An open nanometer is filled with mercury and connected to a container of hydrogen gas. The mercury level is 57mm higher in the a

rm of the tube connected to the hydrogen. If the atmospheric pressure is 0.785 atm, what is the pressure of the hydrogen gas, in the atmospheres?
Chemistry
1 answer:
3241004551 [841]3 years ago
3 0

Answer:

im not good at chemistry but thx for the points man

Explanation:

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Cells make up tissues. Tissues make up organs, organs make up systems, systems make up organism
5 0
3 years ago
Is this statement true or false?
melisa1 [442]

Answer:

Explanation:

Acids will turn blue litmus paper red.   True

Acids taste bitter.  False

Bases taste sour. False

A.

True

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Adding a base makes an acid less acidic. True

Bases will turn litmus paper red.  False

Ammonia is a base.  True

Acids are corrosive.  True

Acids contain hydrogen.  True

Is pH=11 an acid, a base, or neutral?  base

Is pH=3 an acid, a base, or neutral? acid

Is pH=14 an acid, a base, or neutral base

Is pH=2 an acid, a base, or neutral? acid

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7 0
3 years ago
What is the mass of 2.49 moles of sucrose?
Andrews [41]

your anwser would be 342 gmol  Please mark branliest

Just get out that Periodic Table of the Elements, find the atomic masses for each atom, and add them up!

Carbon = 12

Hydrogen = 1

Oxygen = 16

C=12×12=144

H=1×22=22

O=16×11=176

Sucrose =144+22+176=342gmol

6 0
3 years ago
The ability of copper to be made into sheets is called ________ .
Norma-Jean [14]
The ability of copper to be made into sheets is called malleability
5 0
3 years ago
Give the chemical formulas for (a) silicon tetrabromide, (b) disulfur dichloride, (c) diphosphorus hexaoxide.
sdas [7]

Answer:

(a)

SiBr_4

(b)

S_2Cl_2

(c)

P_2O_6

Explanation:

(a)

The given compound is silicon tetrabromide. It means that 1 silicon and four bromine atoms are combined to form the molecule.

The chemical formula of silicon tetrabromide is SiBr_4

(b)

The given compound is disulfur dichloride. It means that 2 sulfur atoms and 2 chlorine atoms are combined to form the molecule.

The chemical formula of disulfur dichloride is S_2Cl_2

(c)

The given compound is diphosphorus hexaoxide. It means that 2 phosphorus atoms and 6 oxygen atoms are combined to form the molecule.

The chemical formula of diphosphorus hexaoxide is P_2O_6

6 0
3 years ago
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