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Sav [38]
3 years ago
5

A 100 kg block of wood was nearly cut into two smaller pieces what is the total mass of all the smaller pieces put together

Chemistry
1 answer:
DiKsa [7]3 years ago
5 0
50kg seems like the right answer 100/2 is 50
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Calculate the MASS if the density is 2.34 g/mL and the volume is 12.50 mL.
AlexFokin [52]

Answer:

<h2>mass = 29.25 g</h2>

Explanation:

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

Density =  \frac{mass}{volume}

Making mass the subject we have

<h3>mass = Density × volume</h3>

From the question

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volume = 12.50 mL

Substitute the values into the above formula and solve for the mass

That's

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We have the final answer as

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3 0
3 years ago
A potted plant is placed under a grow lamp, which provides 6,400 J of energy to the plant and the soil over the course of an hou
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Answer:

823.7g

Explanation:

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Q = m × c × ∆T

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m = mass of substance (g)

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Using the information given in this question as follows:

Q = 6,400 J

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m = 6400 ÷ 7.77

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8 0
3 years ago
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Calculate the pH of a solution that [H3O4] of 7.22x10-7M
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Zinaida [17]

Answer:

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electrons are found in an orbital

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3 years ago
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