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FromTheMoon [43]
3 years ago
8

How are living things put together?

Chemistry
1 answer:
Lelu [443]3 years ago
7 0
D because B is silly, yes we are in groups but that is not how we are put together, Same for reproduction. That is how you're made.
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3 years ago
Read 2 more answers
How many moles of calcium carbonate-CaCO3 = 4.15 g​
marin [14]

Answer:

Number of moles = 0.042 mol

Explanation:

Given data:

Number of moles = ?

Mass of calcium carbonate = ?

Solution:

Formula:

Number of moles = mass/ molar mass

now we will calculate the molar mass of calcium carbonate.

atomic mass of Ca = 40 amu

atomic mass of C = 12 amu

atomic mass of O = 16 amu

CaCO₃ = 40 + 12+ 3×16

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3 years ago
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alukav5142 [94]
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Given that you added about 5ug of purified acid phosphatase to tube A, calculate the amount of acid phosphatase that was present
Reil [10]

Hey there!:

Amount of purified acid phosphatase added to tube A = 5 ug ( micrograms )

Amount of acid phosphatase present in 400 ug of wheat germ extract  in tube B :

1 / 100 = 5x / 400 =

100 x = ( 0.5 ) ( 400 ) =

x = (0.5 ) ( 400 ) = 100

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x =  2 ug


The amount of acid phosphatase present in 400 ug of the  wheat germ in tube B is 2 ug


Hope that helps!

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(a)0.444 Mol of COCl2 in 0.654 L of solution
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bit.^{}ly/3a8Nt8n

5 0
2 years ago
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