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irga5000 [103]
3 years ago
15

Every object in the universe is always exerting force and is measured as

Chemistry
1 answer:
bonufazy [111]3 years ago
6 0
Gravity, its what holds the whole universe together
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A planetary explorer vehicle
lana66690 [7]

Answer:

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Explanation:

6 0
3 years ago
What is a ionic conmpound?
Anna [14]
A chemical compound made up of ions by forces that create ionic bonding. It is a neutral compound.
4 0
3 years ago
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What is the ionic equation for dilute hydrochloric acid and magnesium
Nataly [62]

Answer:

Mg(s) + 2H⁺(aq) ⟶ Mg²⁺(aq) + H₂(g)  

Explanation:

A net ionic equation shows all the ionic substances as ions and shows the correct state of each substance.

7 0
3 years ago
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Calculate the mass of calcium chloride that contains 3.20 x 1024 atoms of chlorine.
frez [133]

Answer:

294.87 gm  CaCl_2

Explanation:

The computation of the  mass of calcium chloride is shown below:

But before that following calculations need to be done

Number of moles of chlorine atom is

= 3.20 × 10^24 ÷ 6.022 × 10^23

= 5.314 moles

As we know that

1 mole CaCl_2 have the 2 moles of chlorine atoms

Now 5.341 mole chloride atoms would be

= 1 ÷ 2 × 5.314

= 2.657 moles

Now

Mass of CaCl_2 = Number of moles × molar mass of  CaCl_2

= 2.657 moles × 110.98 g/mol

= 294.87 gm  CaCl_2

7 0
3 years ago
Determine the number of moles of gas in a 4.1L container at 341K with a pressure of 1.78 atm.
lozanna [386]

Answer:

0.26 mol

Explanation:

using general gas equation

PV=nRT

V=4.1litre= 4.1 dm³

P= 1.78 atm

R= 0.0821

PUT VALUES

8 0
3 years ago
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