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Montano1993 [528]
3 years ago
12

Pls help me with these questions

Chemistry
2 answers:
zlopas [31]3 years ago
7 0
True

Because it can protect our earth and all of the living things..
wolverine [178]3 years ago
6 0

number 2 is community sense lions ain't everywhere I not sure tho

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What are the units of molar mass?<br> O A. Lig<br> O B. g/mol<br> O c. g/L<br> O D. mol/g
Lorico [155]
The units of molar mass is g/mol that is the letter B.
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3 years ago
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5. A football field is about 100 meters long. If it takes a person 20 seconds to run its length, how fast (what speed) were they
EleoNora [17]

Answer:

Speed, v = 5 m/s

Explanation:

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t

d

v=

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3 years ago
Which family is made up of all radioactive elements
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actinide family

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3 years ago
Someone please help me with the two I got wrong
LenKa [72]

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How many moles are in 18.2 g of CO2?<br> 41.4 moles<br> 801 moles<br> 0.414 moles<br> 0 2.42 moles
mrs_skeptik [129]

Answer:

0.414 mole (3 sig. figs.)

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Given grams, moles = mass/formula weight

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