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Otrada [13]
3 years ago
11

Glve the number of significant figures in this number: 40

Chemistry
2 answers:
trapecia [35]3 years ago
4 0

Answer:

the number of significant figures in this number is two because <u>non-zero digits are always significant and a final zero or trailing zero is always counted</u>

Explanation:

i hope this will help you :)

Eddi Din [679]3 years ago
3 0

Answer:

1

only 4 is the significant figure

we take tailing zeroes as significant figures only in case of decimals

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1 property

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5 0
2 years ago
Select the supplements that are minerals.
Jet001 [13]
<h3> The supplements that are minerals are</h3>
  1. calcium
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<u><em> Explanation</em></u>

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      calcium-  needed  for muscle,hearing bone and  for the support of synthesis and function of cells

     sodium-   is needed to control blood  pressure  and  also for proper  muscle and nerve  function

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3 0
3 years ago
How many moles are in 68 grams of copper (II) hydroxide, Cu(OH)2
jarptica [38.1K]

heres your answer mate...

8 0
3 years ago
Fill in the coefficients to balance the equation for the chemical reaction that occurs:
Dominik [7]

Answer:

The equation is balanced

Explanation:

NaCl (aq) + AgNO3(aq) ––> AgCl (s) + NaNO3 (aq)

NaCl (aq) + AgNO3 (aq)

Na = 1 , Cl=1 , Ag = 1 , No3= 1

AgCl (s) + NaNO3 (aq)

Ag = 1 , Cl=1 , Na = 1 , No3= 1

8 0
2 years ago
What is the limitation of the kinetic molecular theory
Minchanka [31]

Answer:

1)The molecules themselves take up some volume.

2)There is some attractions between the molecules.

( in ideal gas the molecules volume is neglected

and it's assume there is no attractions between the molecules)

Explanation:

3 0
3 years ago
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