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Cerrena [4.2K]
3 years ago
10

Chemistry vocabulary and answer​

Chemistry
1 answer:
finlep [7]3 years ago
8 0

Answer:

you forgot to attach a picture :)

Explanation:

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A rock that has a mass if 180 grams dropped in a graduated cylinder that was originally filled to 52ml; it now reads 62ml. What
Vlad [161]

Answer:

<h2>18 g/mL</h2>

Explanation:

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

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

volume = final volume of water - initial volume of water

volume = 62 - 52 = 10 mL

From the question we have

density =  \frac{180}{10}  \\

We have the final answer as

<h3>18 g/mL</h3>

Hope this helps you

5 0
3 years ago
Nén 10l khi ở áp suất 1atn,nhiệt đọ 27độ c để thể tích của nó giảm còn 5 lít quá trình nén nhanh nên nhiệt độ tăng đến 57 độ c á
mariarad [96]

Answer:

Explanatio

pV=nRT

=>n =  0.4(mol)

=>p  2= 2.34 atm

8 0
3 years ago
Which of a following elements is always a component of an organic compound
HACTEHA [7]
There are there elements are important in organic compounds
carbon
hydrogen
oxygen :/example
glucose c6h12o6
7 0
4 years ago
Question 6(Multiple Choice Worth 2 points)
Rina8888 [55]
4.2 × 10²² atoms Al × (1 mol Al / 6.022 × 10²³) = moles Al

Last one: fraction 1 mole Al over 6.022 × 10²³ atoms Al
8 0
3 years ago
Calculate the molarity of an aqueous solution of NaOH if its pH is measured and found to be 12.00.
alisha [4.7K]

Answer:

Explanation:

pH = 12

[H⁺] = 10⁻¹²

[OH⁻¹ ] [H⁺] = 10⁻¹⁴

[OH⁻¹ ] = 10⁻²

NaOH = Na⁺¹ + OH⁻¹

NaOH is a strong base so it dissociates 100%

[OH⁻¹ ] = 10⁻²

molarity of NaOH = 10⁻² M

= .01 M .

3 0
3 years ago
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