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hram777 [196]
3 years ago
7

Is sand biotic or abiotic

Chemistry
1 answer:
Vsevolod [243]3 years ago
8 0
Non living things are abiotic so sand is abiotic
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balloon filled with water is places in a microwave until it bursts. Name two different physical changes that occur during this r
Kisachek [45]

Answer:

dont know

Explanation:

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3 years ago
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Baking powder, baking soda, and creme of tartar are three substances that have similar properties. Explain what these three subs
jarptica [38.1K]

they are all catalysts


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5. Mr. Martin's Spanish class is 45 minutes long. If it starts at 3:30, what time does it end?
zubka84 [21]
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2 years ago
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How many moles are equal to 3.0x10^23 atoms of germanium? PLS ANSWER WITH WORK!
horrorfan [7]
1 mole=6.02 x 10^23 atoms so how many moles are there in 3.0 x 10^23 we will cross multiply, 1 x 3.0 x 10^23 / 6.02 x 10 ^23. Which will give us 0.498 moles.
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3 years ago
Pls it’s urgent
Rainbow [258]

Answer:

0.02 moles.

Explanation:

volume of H₂ gas at R.T.P = 480 cm³

Where

R.T.P = room temperature and pressure

molar volume of gas at = 24000 cm³

no. of moles of hydrogen = ?

Solution:

formula Used

       no. of moles = volume of gas / molar volume

put values in above equation

         no. of moles = 480 cm³ / 24000 cm³/mol

         no. of moles = 0.02 mol

So,

no. of moles of hydrogen in 480 cm³ is 0.02 moles.

4 0
3 years ago
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