Due to the ideal gas law, we have an equation: PV=nRT. So when the pressure and amount of gas are constant, V1/T1=V2/T2. Temperature using the unit of K. So the answer is 535*319/296=576.6 mL.
Answer:
Earth is located in the milky way galaxy
The classification of whipped cream is a foam.
So, option C is correct one.
The whipped cream is a colloid and it consists of gas ( dispersed phase ) in liquid ( dispersed medium) system.
Sol is a solid dispersed in the liquid . Examples includes Au , S sol in water , milk of magnesia .
The emulsion is liquid dispersed into the liquid . Example is milk
Foam is a gas dispersed into the liquid . Examples includes whipped cream , shaving cream , foam on the beer .
Gel is the liquid dispersed into the solid . Examples includes , butter , jellies .
To learn more about colloid
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Half-life of a radioactive substance is the time required to reduce the amount of substance to half of its initial amount.
In present case, half-life is material is given as 1000 years and initial amount of material is given as 400 kg
Answer 1) Since, half-life of radio-active substance is 1000 years, therefore after 1st half life, amount of the material will be left to half the initial amount. Hence, amount of substance left after 1000 years = 400/2 = 200 kg.
Answer 2) For 2000 years, radioactive material has crossed 2 times the half life. Therefore , amount of the material will be left to 1/4 the initial amount. Hence, amount of substance left after 2000 years = 400/4 = 100 kg.
Answer 3) For 4000 years, radioactive material has crossed 4 times the half life. Therefore , amount of the material will be left to 1/16 the initial amount. Hence, amount of substance left after 4000 years = 400/16 = 25 kg.
