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pav-90 [236]
3 years ago
14

Sxty-D 1. What fraction of the elements on the periodic table are metals?

Chemistry
1 answer:
strojnjashka [21]3 years ago
3 0

Answer:

80%

Explanation:

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You remove the pot of boiling hot water and set it on a cooler part of the stove. which mechanism is responsible for cooling the
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<span>All of the mechanisms work together to cool the pot of boiling water. </span>Hope this helps! 
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4 years ago
What is the formula ofchromium(III) hydrogensulfate?
FromTheMoon [43]

Answer:

Cr (HSO4)3

Explanation:

its molecular weight is 343.20 g/mol

its molecular formula can also be written as CrH3O12S3

molar mass of Cr (HSO4)3 can be calculated by following method;

atomic mass of Cr = 51.9961 u

atomic mass of H = 1 u

atomic mass of S = 32.065 u

atomic mass of O = 16 u

molar mass of Cr(HSO4)3 =  51.9961+ 1.00784×3 + 32.065×3 + 15.999×12

molar mass of Cr(HSO4)3 =51.9961+3.02352+96.195+ 191.988

molar mass of Cr(HSO4)3 = 343.20 g/mol

3 0
3 years ago
How many moles of Co are needed to produce nine moles of CO2
inna [77]

Answer:

guizzes

Explanation:

guizlet

4 0
3 years ago
Read 2 more answers
Please help!
Len [333]
It will slowly rotten and turn brown
7 0
4 years ago
Which scenario represents an unbalanced force?
ladessa [460]

A . A person Jumping represents an unbalanced force.

<u>Explanation:</u>

If equal amount of force applied on any object from both the directions, then the object will not move and so the force is a balanced force.

If an unequal amount of force on an object from both sides then the object will move in the opposite direction of the maximum force applied, so it is called as an unbalanced force.

  • When the force is unbalanced then its velocity will change, so options C and D are omitted.
  • In Option B the vase is sitting on a table, just kept so there is no action of any unbalanced force.
  • But a person jumping represents an unbalanced force, since the person do not jump with constant velocity and it will vary.
7 0
4 years ago
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