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Naya [18.7K]
2 years ago
15

Nah I'm gonna fail this quiz help please ​

Chemistry
1 answer:
Eva8 [605]2 years ago
4 0

Answer:

It has 2 eyes

Explanation:

Quantitive observation means that it is facts based of numbers, therefore you can count how many eyes it has, but not that it has red eyes

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A chemist prepares a solution of sodium thiosulfate by measuring out of sodium thiosulfate into a volumetric flask and filling t
marshall27 [118]

Mass of sodium thiosulfate Na_{2}S_{2}O_{3} is 110. g

Volume of the solution is 350. mL

Calculating the moles of sodium thiosulfate:

110. g Na_{2}S_{2}O_{3} * \frac{1 mol Na_{2}S_{2}O_{3}}{158.1 g Na_{2}S_{2}O_{3}} = 0.696 molNa_{2}S_{2}O_{3}

Converting the volume of solution to L:

350. mL * \frac{1 L}{1000 mL} = 0.350 L

Finding out the concentration of solution in molarity:

\frac{0.696 mol}{0.350 L} =  1.99 mol/L

4 0
3 years ago
Does acid in your stomach make you unhealthy?
Delvig [45]
No because it burns the food that u had and leaves it more space?????? I
8 0
3 years ago
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A silver coin with a mass of 14.1g has a density of 10.5 grams
Angelina_Jolie [31]

Answer:

1.34 cubic centimeter

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v = m/d

5 0
3 years ago
During the apollo missions,an astronaut took a golf ball to the moon. He placed it on the moon’s surface and hit the ball with a
aleksandr82 [10.1K]

Answer:

b.)

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3 0
3 years ago
What is the total amount of heat required to completely melt 347 grams of ice at its melting point?
Bogdan [553]
In order to calculate the amount of heat energy required to melt 347 grams of ice, we need to will apply the equation:
Q = ml, where m is the mass of substance and l is its latent heat of fusion. For ice, the latent heat of fusion is 334 joules per gram. Therefore:
Q = 347 x 334
Q = 112,558 joules of energy

Hope this helped.
7 0
3 years ago
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