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svetoff [14.1K]
2 years ago
14

Noin

Chemistry
1 answer:
OLga [1]2 years ago
5 0

Answer:

Gravity is the answer.

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What two properties most affect the strength of the gravitational forces
goblinko [34]

1) Masses of the object

2) Distance between them

7 0
3 years ago
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Calculate the molarity of 65.3 grams of sugar(342.3 g/mol), c12h22011 in 750 ml of solution.
k0ka [10]

Answer:

0.254 M

Explanation:

If the formula mass of sugar is 342.3 g/mol, and there are 65.3 g, then there are 65.3/342.3=0.190768 mol.

Also, 750 mL = 0.750 L.

molarity = (moles of solute)/(liters of solution)

molarity = 0.190768/0.750 = <u>0.254</u><u> </u><u>M</u>

8 0
1 year ago
Bases in solution produce what type of ions?
Natali [406]
Bases produce hydroxide ions, while acids produce hydrogen ions. 

Bases have a pH of above 7, and are bitter and slippery. 

Answer: <span>c. hydroxide ions</span>
4 0
3 years ago
What is it called when scientists write out a compound such as two hydrogen and one oxygen? PLEASE HELP
schepotkina [342]
A compound is when two or more elements are joined together. The compound that is created with two hydrogens and one oxygen is h2o or water.
7 0
3 years ago
If 0.2 g of nitrobenzene are added to 10.9 g of naphthalene, calculate the molality of the solution. (given: molar mass of nitro
In-s [12.5K]

Molality is defined as 1 mole of a solute in 1 kg of solvent.  

Molality=

\frac{Number of moles of solute}{Mass of solvent in kg}

Number of moles of solute, n=  

\frac{Given mass of the substance}{Molar mass of the substance}

Given mass of the nitrobenzene=0.2 g

Molar mass of the substance= 123.06 g mol⁻¹

Number of moles of nitrobenzene,  

n= \frac{0.2 }{123.06}

Number of moles of nitrobenzene, n= 0.0016  mol

Mass of 10.9 g of naphthalene in kg=0.0109  

Molality= \frac{0.0016}{0.0109 }

Molality= 0.146 m

7 0
3 years ago
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