Chemistry, asked by yashwantsumra1672, 1 year ago

If half-life of a substance is 5 yrs, then the total amount of substance left after 15 years, when initial amount is 64 grams is
(a) 16 grams
(b) 2 grams
(c) 32 grams
(d) 8 grams.

Answers

Answered by hende

0

the right option is (d)

Previous Question

Next Question

Similar questions

Science, 6 months ago

plz can anyone answer these questions except 6,8,9 plz ____ . it is not exam questions my aunty gave me plz can anyone tell answers of 4,7,11,12...

Science, 6 months ago

whαt íѕ rєd dαtα вσσk nσ ѕpαm ...

Math, 6 months ago

write two division sentences for each multification sentence 7×6=42 ...

Chemistry, 1 year ago

The rate of a first order reaction is 1.5 × 10⁻² mol L⁻¹ min⁻¹ at 0.5 M concentration of the reactant. The half life of the reaction is (a) 0.383 min (b) 23.1 min (c) 8.73 min (d)7.53 min...

Chemistry, 1 year ago

For a chemical reaction which can never be a fraction : (a) rate constant (b) order (c) molecularity (d) half life...

Biology, 1 year ago

At what time the organic manures must be added to soil in agriculture field?

Computer Science, 1 year ago

The time the application takes to complete the execution of a user request is known as:...

Computer Science, 1 year ago

A text ,editor are used at ms word and what are used in ms -excel...