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mestny [16]
3 years ago
14

OS-182 has a half-life of 3.6 days. If a sample started at 175 grams, how much would be led after 18 days?

Chemistry
2 answers:
Stels [109]3 years ago
8 0

Answer:

110.2 grams

Explanation:

Educere/ Founder's Education Answer

hodyreva [135]3 years ago
3 0
I think c is correct answer
.............
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How many calories of heat are needed to raise the temperature of 33.0 g of diethyl ether from 14.0 ∘C to 25.0 ∘C ?
Xelga [282]

The amount of heat (in calories) needed to raise the temperature is 324.885 calories

<h3>How to determine the temperature change </h3>

We'll begin by obtaining the temperature change. This can be obtained as followed:

  • Initial temperature (T₁) = 14 °C
  • Final temperature (T₂) = 25 °C
  • Change in temperature (ΔT) = ?

ΔT = T₂ - T₁

ΔT = 25 - 14

ΔT = 11 °C

<h3>How to determine the heat (in Calories)</h3>

The amount of heat needed to raise the temperature can bee obtaimedals follow:

  • Mass (M) = 33 g
  • Change in temperature (ΔT) = 11 °C
  • Specific heat capacity (C) of diethyl ether = 0.895 cal/g°C
  • Heat (Q) =?

Q = MCΔT

Q = 33 × 0.895 × 11

Q = 324.885 calories

Thus, the amount of heat needed is 324.885 calories

Learn more about heat transfer:

brainly.com/question/10286596

#SPJ1

3 0
1 year ago
What is standard pressure in atmospheres?<br><br> a.10<br> b.1<br> c.5<br> d.2
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No because their children shouln't be born into this world as if they were a customized doll. It could also be seen as sexualizing them because they would most likely make them to their liking which is inappropriate because you dont know what the parents intentions could be with it.

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