What distance will a truck travel in 3 hours at an average speed of 50 miles per hour?

Answers

Answer 1

Answer: 150 miles. 50×3=150. It's that easy.

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Which state of matter has the least amount of energy?

Answers

Solid has the least amount of energy.

This is so because liquid is free to move and can fit in any shape.
Gas floats and is usually always free to move.

Solid isn't free to move unless some force moves it.

Matter has the least energy as a solid

How can you get rock salt to dissolve in water quickly?

Answers

You can increase the heat, add more water, or by mixing/shaking.

2. A solution in which 50 grams of salute is dissolved in 250 grams of solution has a concentration of

Answers

The fact that the unit is supposed to be in percent makes me think it is referring to percent mass. To find percent mass you need to find find the divide the mass of solute by the total mass of solution and than multiply that by 100%.
%mass=(50g/300g)x100%
%mass=0.167%

I hope this helps.

The periodic table is organized left to right by __________.Metals, nonmetals, metalloids

Metals, metalloids, nonmetals

Metalloids, nonmetals, metals

Nonmetals, metalloids, metals

Answers

Answer:

Metals, metalloids, non-metals

Explanation:

The answer will be B. Metals, metaloides, nonmetals

Why is making a peanut pretzel and cereal mixture is chemical

Answers

It is actually a Physical Change because of the mixture in both of them your not combining them Hope This Helps:)

If you have a 92.0 gram sample of water, then what mass of hydrogen and what mass of oxygen are in the sample? Make sure you answer in “grams” of Hydrogen and “grams” of Oxygen.

Answers

Answer:

$\boxed{\text{10.29 g H and 81.71 g O}}$

Explanation:

The formula of water is H₂O.

1. Calculate the molar mass of water

2 H = 2 × 1.008 = 2.016 u

1 O = 1 × 16.00 = 16.00 u

MM = 18.02 u

2. Mass of hydrogen

\text{Mass of H} = \text{92.0 g water} \times \dfrac{\text{2.016 g H}}{\text{18.02 g water }} = \textbf{10.29 g $\text{Mass of H} = \text{92.0 g water} * \frac{\text{2.016 g H}}{\text{18.02 g water }} = \textbf{10.29 g H}$ H}

3. Mass of 0xygen

$\text{Mass of O} = \text{92.0 g water} * \frac{\text{16.00 g H}}{\text{18.02 g water }} = \textbf{81.71 g O}\n\n\text{The masses are } \boxed{\textbf{10.29 g H and 81.71 g O}}$

Final answer:

A 92 gram sample of water will consist of approximately 10.22 grams of hydrogen and 81.78 grams of oxygen.

Explanation:

Water

consists of two hydrogen atoms and one oxygen atom. Therefore, it has a

molecular formula of H2O

. To find the mass of each element in a 92 gram sample, we need to know the molar mass of the elements and the compound. The molar mass of hydrogen (H) is about 1 gram per mole, and oxygen (O) has a molar mass of 16 grams per mole. So, the molar mass of water (H2O) is approximately 18 grams per mole (2*1 + 16). This means that in one mole of water, 2 grams are hydrogen and 16 grams are oxygen. If we scale this up to 92 grams, we find that there are approximately 10.22 grams of hydrogen and 81.78 grams of oxygen.

Learn more about Molar Mass here:

brainly.com/question/12127540

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