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Nina [5.8K]
2 years ago
5

Interpreting the periodic table

Chemistry
1 answer:
Goryan [66]2 years ago
6 0

Here is an image of the periodic table. Hope this helps.

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What is the density of a substance with a mass of 37.5 g and a volume of 20L?
ra1l [238]

Answer:

<h2>1.88 g/L</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{37.5}{20}  =  \frac{15}{8}  \\  = 1.875

We have the final answer as

<h3>1.88 g/L</h3>

Hope this helps you

7 0
3 years ago
Calculate the percent yield of a reaction where a student collected 16.8 grams of product and was expecting to collect 49.7 gram
masya89 [10]

Answer:

\boxed{\text{33.8 \%}}

Explanation:

\text{\% yield} = \dfrac{\text{actual yield}}{\text {theoretical yield}} \times\text{100 \%}

Data:

        Actual yield = 16.8 g

Theoretical yield = 49.7 g

Calculation:

\text{\% yield} = \dfrac{\text{16.8 g}}{\text {49.7 g}} \times\text{100 \%} = \boxed{\textbf{33.8 \%}}

8 0
2 years ago
Describe a second degree burn ​
Fittoniya [83]

Answer:

Second-degree burns, or partial thickness burns, are more severe than first-degree burns. They affect the outer layer of skin, called the epidermis, and part of the second layer of skin, called the dermis. Second-degree burns can be very painful and often take several weeks to heal.

Explanation:

6 0
2 years ago
Can i just have the answers
JulijaS [17]

https://www.teacherspayteachers.com/Product/Counting-Atoms-Worksheet-Editable-190185


id put em on here but i cant read them to good. Hope it helps tho!

fyi if u have other worksheets u need help on if u loo up the worksheet name and answer key itll prolly pop up.

3 0
3 years ago
Plz help with this digestive system
VMariaS [17]

Answer:

(4) mechanical digestion

(5) chemical digestion

(6) enzymes

(7) pharynx

(8) peristalsis

8 0
2 years ago
Read 2 more answers
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