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Novosadov [1.4K]
3 years ago
15

Which atom has 17 protons , 18 neutrons and is 1/2 of many salts?

Chemistry
1 answer:
Ilya [14]3 years ago
4 0
The answer is a chlorine atom.
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Riya is applying mulch to her garden. She applies it at a rate of 250,000 cn3 of mulch for every m2 of garden space. m3 At what
Stella [2.4K]

Mulch includes compost, grass clipping, leaves or other organic matter which increaese the fertility of soil by providing the necessary nutrients.

Volume of much used  = 250000 cm^3

To converting into m^3, divide it by 10^6

V = 250000 /10^6 = 0.25 m^3

Rate = 0.25 m^3 /m^2

Thus, riya is applying mulch at rate of 0.25 m^3 per m^2 of garden.


4 0
3 years ago
Read 2 more answers
The pressure of 10.0 L of gas increases from 1.50 atm to 1240 mmHg. What is the final volume of the gas, assuming constant tempe
Zielflug [23.3K]

Answer:

The final volume of gas is 9.19 L.

Explanation:

Given that,

Volume = 10.0 L

Initial pressure = 1.50 atm

Final pressure = 1240 mmHg

We need to calculate the final volume of gas

Using formula of ideal gas

P_{1}V_{1}=P_{2}V_{2}

V_{2}=\dfrac{P_{1}V_{1}}{P_{2}}

Where, P₁ = initial pressure

P₂ = final pressure

V₁ = initial volume

Put the value into the formula

V_{2}=\dfrac{1.50\times10\times760}{1240}

V_{2}=9.19\ L

Hence, The final volume of gas is 9.19 L.

7 0
4 years ago
What number and types of atoms occur in a formula unit of<br> Ca(NO3),?
pav-90 [236]

Answer:

help with mine ill help with yours

5 0
3 years ago
An ate or ite at the end of a compound name usually indicates that the compound contains___________.
Ymorist [56]

Answer:

D

Explanation:

According to IUPAC nomenclature, a negative polyatomic ion has its name ending in 'ate' or 'ite'

As in carbonate (CO3^2-)

Arsenite (AsO3-)

3 0
3 years ago
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In part B of my question, I was asked calculate the number of atoms in 0.615 mol of 13C (mass number of this Carbon is 13).
gtnhenbr [62]
Electrons are particles that have a negative charge. Therefore, an element in a neutral state will have the same number of protons and electrons.since the atomic number corresponds to the number of protons. atomic number of carbon is 6, so number of electron is also 6
To find the number of neutrons, you will need to subtract the atomic number from the atomic mass. 
13 - 6 = 7 neutrons
5 0
4 years ago
Read 2 more answers
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