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ryzh [129]
2 years ago
13

complete the name of an alkali that could react with phosphoric acid to make sodium hydrogen phosphate

Chemistry
1 answer:
elena-s [515]2 years ago
7 0
The answer is sodium hydroxide
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24g copper is submerged in water in a graduated cylinder, the total volume increases bu 2.7ml what is the density of copper
Brilliant_brown [7]

Answer:

<h2>8.89 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{24}{2.7}  \\  = 8.88888...

We have the final answer as

<h3>8.89 g/mL</h3>

Hope this helps you

8 0
2 years ago
A box of cleaning supplies weighs 15 N. If the box is lifted a distance of 0.60 m, how much work is done?
Nady [450]
Work Done = force x displacement. So in this case the 15N is the force (because weight is a force) and 0.60m is the displacement. Therefore 15 x 0.6 = 9 Joules of work done (btw, work done can also be referred to as energy transferred)
3 0
3 years ago
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What's the difference between a conductor and an insulator?<br><br>I'll mark you as brainliest ​
irina [24]

conductor are defined as the materials or substances that allow electricity to flow through them. Also, conductors allow heat to be transmitted through them. Examples of conductors are metals, the human body, Earth and animals. The human body is a strong conductor.

Any material that keeps energy such as electricity, heat, or cold from easily transferring through is an insulator. Wood, plastic, rubber, and glass are good <em><u>insulator</u></em><em><u>.</u></em>

Explanation:

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8 0
2 years ago
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A solid ice cube absorbs 151.7 J of energy as it warms from 0.00°C to 4.70°C. What is the mass of the ice cube?
chubhunter [2.5K]
I believe you do 151.7= 4.18x (4.70) because you use the formula q=mcat
5 0
3 years ago
Calculate the molarity of a solution that contains 0.175 mol of zncl2 n exactly 150 ml of solution.
scoray [572]
Molarity = mol/L

0.175 mol
0.15 L (1000 mL = 1 L)

Molarity = 0.175 mol/0.15 L = 1.1666667 M
3 0
2 years ago
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