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harina [27]
3 years ago
15

What is Corona virus And explain breifly in​

Chemistry
1 answer:
stira [4]3 years ago
7 0

Answer:

it is a viral disease . it is infected by one person to other .

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Pb + Fe(SO4) =Pb(SO4) + Fe what type of reaction is this ?
VikaD [51]

Answer:

Single replacement

Explanation:

3 0
2 years ago
A gas at 200 K occupies a volume of 350 ml. What temperature is needed to increase the volume
Rudik [331]

Answer: Temperature in constant pressure is 286 K

Explanation: If pressure remains constant, then V/T = constant.

V1 = 350 ml and T1 = 200 K and V2 = 500 ml.  V1/T1 = V2/T2

and T2 = T1· V2 / V1 = 200 K · 500 ml / 300 ml = 285,7 K

5 0
3 years ago
A sample of gas starts at 1.00 atm, 0.00 degrees Celsius, and 30.0 mL. What is the
lara31 [8.8K]

Answer:

pV= nRT

Explanation:

(p1 × V1)/ T1/ (p2 × V2)/ T2

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How do chemists express the rates of chemical reactions
Inessa [10]

Answer:

They expressed it as rate of change in concentration of reactants or products in a chemical reaction

6 0
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1. How is melting point of a solid determined?
Oxana [17]

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Melting points are often used to characterize organic and inorganic crystalline compounds and to ascertain their purity.

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