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natulia [17]
3 years ago
7

Is the study of matter and energy ,and the interactions between the two through forces and motion​

Chemistry
2 answers:
riadik2000 [5.3K]3 years ago
7 0
Physics is a study of matter, it’s motion and behavior and the related entities of energy and force.
Ratling [72]3 years ago
6 0

Answer:

Physics is the science of matter and energy and their interactions and motion through space and time. The science of change, including physical laws, physical properties and phenomena. (also known as applied physics or engineering physics).

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Enter your answer in the provided box. When mixed, solutions of barium chloride, BaCl2, and potassium chromate, K2CrO4, form a y
ira [324]

Answer:

35.42g

Explanation:

Step 1:

The balanced equation for the reaction

BaCl2(aq) + K2CrO4(aq) → BaCrO4(s) + 2KCl(aq)

Step 2:

Determination of the limiting reactant.

It is important to determine which of the reactant is limiting the reaction as the limiting reactant is used to determine the maximum yield of the reaction. The limiting reactant can be determined as follow:

From the balanced equation above,

1 mole of BaCl2 reacted with 1 mole of K2CrO4.

Therefore, 0.7 mole of BaCl2 will also react with 0.7 mol of K2CrO4.

From the above illustration, we can see that it requires a higher amount of K2CrO4 to react with 0.7 mol of BaCl2. This simply means that K2CrO4 is the limiting reactant.

Step 3:

Determination of the number of mole of BaCrO4 produced from the reaction.

The limiting reactant is used in this case.

From the balanced equation above,

1 mole of K2CrO4 produced 1 mole of BaCrO4.

Therefore, 0.14 mole of K2CrO4 will also produce 0.14 mole of BaCrO4.

Step 4:

Converting 0.14 mole of BaCrO4 to grams.

This is illustrated below:

Molar Mass of BaCrO4 = 137 + 52 + (16x4) = 137 + 52 + 64 = 253g/mol

Number of mole BaCrO4 = 0.14 mole

Mass of BaCrO4 =?

Mass = number of mole x molar Mass

Mass of BaCrO4 = 0.14 x 253

Mass of BaCrO4 = 35.42g

Therefore, 35.42g of BaCrO4 is produced from the reaction.

4 0
3 years ago
Consider the formation of the three solutionsshown in the table.
bazaltina [42]

Answer:

sorry please can you snap the diagram ...the question is not clear to my understanding

8 0
2 years ago
A newborn eats 8 times a day. At each feeding, he eats 2.5 ounces of formula. How many days would it take to eat 100 ounces
fredd [130]

Answer:

It would take 5 days

Explanation:

1. 2.5 times 8 is 20 ounces

2. 2.5 times 16 is 40 ounces

3. 2.5 times 24 is 60 ounces

4. 2.5 times 32 is 80 ounces

5. 2.5 times 40 is 100 ounces

6 0
3 years ago
Read 2 more answers
What's an example of chemical reaction
sergeinik [125]
S + O = SO4. cracked also chemical reaction
6 0
3 years ago
A chemist is using a solution of hno3 that has a ph of 3.75. what is [h ] for the solution?
kap26 [50]

A chemist is using a solution of HNO₃ that has a pH of 3.75. what is [H⁺] for the solution is 1.7 × 10⁻⁴M.

<h3>How do we calculate the [H⁺]?</h3>

Concentration of H⁺ ion will be calculated by using the below equation of pH as:

pH = -log[H⁺]

or [H⁺] = 10^{-pH}

Given that, pH = 3.75

So concentration of H⁺ ion will be calculated as:

[H⁺] = 10^{-3.75}

[H⁺] = 1.7 × 10⁻⁴M

Hence concentration of H⁺ ion is 1.7 × 10⁻⁴M.

To know more about pH & [H⁺], visit the below link:
brainly.com/question/8758541

4 0
2 years ago
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