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3 years ago

12

How does a Geiger counter measure radiation levels

1 answer:

blondinia [14]3 years ago

8 0

The Geiger counter measure radiation through the means of detecting alpha particles, beta particles and gamma rays. It uses an ionization effect produced by the Geiger-Muller tube as well. This is the most prominent tool used for radiation measurement.

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How many atoms are there in total in a molecule of sulfur trioxide, SO3?

viva [34]

Answer:

Explanation:

There are 6.87 x 1023 atoms in 1.14 mol SO3, or sulfur trioxide (mol is the abbreviation for mole).

5 0

3 years ago

I’m not sure quite sure about this one please help

ehidna [41]

This one is correct

3 0

3 years ago

Consider the following unbalanced chemical equation. C5H12(l) + O2(g) → CO2(g) + H2O(l) If 21.9 grams of pentane (C5H12) are bur

Marina CMI [18]

Answer : The mass of water produced will be 32.78 grams.

Explanation : Given,

Mass of $C_5H_{12}$ = 21.9 g

Molar mass of $C_5H_{12}$ = 72.15 g/mole

Molar mass of $H_2O$ = 18 g/mole

First we have to calculate the moles of $C_5H_{12}$ .

$\text{Moles of }C_5H_{12}=\frac{\text{Mass of }C_5H_{12}}{\text{Molar mass of }C_5H_{12}}=\frac{21.9g}{72.15g/mole}=0.3035moles$

Now we have to calculate the moles of $H_2O$ .

The balanced chemical reaction will be,

$C_5H_{12}(l)+8O_2(g)\rightarrow 5CO_2(g)+6H_2O(l)$

From the balanced reaction we conclude that

As, 1 mole of $C_5H_{12}$ react to give 6 moles of $H_2O$

So, 0.3035 moles of $C_5H_{12}$ react to give $0.3035\times 6=1.821$ moles of $H_2O$

Now we have to calculate the mass of $H_2O$ .

$\text{Mass of }H_2O=\text{Moles of }H_2O\times \text{Molar mass of }H_2O$

$\text{Mass of }H_2O=(1.821mole)\times (18g/mole)=32.78g$

Therefore, the mass of water produced will be 32.78 grams.

3 0

3 years ago

Help please please help please

Anni [7]

Answer:

I don't fully understand what this is about...

Explanation:

sorry :(

5 0

3 years ago

Read 2 more answers

What is the right answer for this. I really need help

statuscvo [17]

<span>así que te está diciendo que</span>

6 0

4 years ago