4 years ago

It's impossible for a hydrogen atom to emit an alpha particle. a. True b. False

Chemistry

1 answer:

kirza4 [7]4 years ago

8 0

I think the answer is True.

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What is the molecular formula of a compound with the empirical formula

ipn [44]

Answer: $C_2H_2O_2$

Explanation:

Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.

Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.

The empirical formula is $CHO$

The empirical weight of $CHO$ = 1(12)+1(1)+1(16)= 29 g.

The molecular weight = 60 g/mole

Now we have to calculate the molecular formula:

$n=\frac{\text{Molecular weight}}{\text{Equivalent weight}}=\frac{60}{29}=2$

The molecular formula will be= $2\times CHO=C_2H_2O_2$

Thus molecular formula will be $C_2H_2O_2$

5 0

3 years ago

When many atoms are split in a chain reaction, a large explosion occurs. This is an example of what type of energy conversion? (

lara31 [8.8K]

Answer:

I think is chemical and nuclear

8 0

4 years ago

Read 2 more answers

Someone help please this is due today!!?

maria [59]

Answer:

I think beaker three will take longer to boil since there is more water present,compared to the other beakers

3 0

3 years ago

If an object that stands 3 centimeters high is placed 12 centimeters in front of a plane mirror, how far from the mirror is the

ryzh [129]

Answer:

the mirror is 12 cm away from the image

Explanation:

; the image will be virtual and it will form at 12 cm distance behind the mirror.

7 0

3 years ago

How many moles of nitrogen, N, are in 61.0 g of nitrous oxide, N2O?

Oksana_A [137]

Answer:

2.77 mol N

Explanation:

M(N2O) = 2*14 + 16 = 44 g/mol

61.0 g * 1 mol/44g = (61/44) mol N2O

N2O ---- 2N

1 mol 2 mol

(61/44) mol x mol

x = (61/44)*2/1 = 2.77 mol N

4 0

3 years ago