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NNADVOKAT [17]
4 years ago
8

What type of mixture is 100 ml of water with a little bit of salt?

Chemistry
1 answer:
gregori [183]4 years ago
3 0
<span>What type of mixture is 100 ml of water with a little bit of salt?</span>
A solution

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Your paragraph containing
Sergeeva-Olga [200]

Answer:

1) Carbon tetrabromide, CBr₄

The name of the compound describes the the chemical composition of the compound by

a) Making mention of the elements in the compound, which are carbon and bromine

b) Specifying the quantity of the element that has more than one atom per mole of the compound, by making mention of the number in Roman

Here there are four bromine atoms per mole which is mentioned as tetra before the cation is mentioned as bromide or ide for-1 oxidation state for  the halogens

c) Indicating the oxidation state of the cation

2) Magnesium oxide, MnO

The name of the compound describes the the chemical composition of the compound by

a) Making mention of the elements in the compound, which are magnesium and oxygen

b) Specifying the quantity of the elements as one each by leaving out the numbering suffix in the name

c) Indicating the oxidation state of the cation, oxygen, as an oxide with a -2 charge

3) Magnesium Nitrate Mn(NO₃)₂

The name of the compound describes the the chemical composition of the compound by

a) Making mention of the elements and groups in the compound, which are magnesium and bitrate group

b) Specifying the group by the group name which consists of a means to determine the detailed content of the group

c) Indicating the oxidation state of the group, nitrate, which has  with a -1 charge

Explanation:

4 0
3 years ago
What is the minimum amount of 6.9 M H2SO4 necessary to produce 27.8 g of H2 (g) according to the following reaction? 2Al(s)+3H2S
Arte-miy333 [17]

Answer : The minimum amount of 6.9 M H_2SO_4 needed is, 2.0 L

Explanation :

The given chemical reaction is:

2Al(s)+3H_2SO_4(aq)\rightarrow Al_2(SO_4)_3(aq)+3H_2(g)

First we have to calculate the moles of H_2

\text{Moles of }H_2=\frac{\text{Mass of }H_2}{\text{Molar mass of }H_2}

Molar mass of H_2 = 2 g/mol

\text{Moles of }H_2=\frac{27.8g}{2g/mol}=13.9mol

Now we have to calculate the moles of H_2SO_4

From the balanced chemical reaction we conclude that,

As, 3 moles of H_2 produced from 3 moles of H_2SO_4

So, 13.9 moles of H_2 produced from 13.9 moles of H_2SO_4

Now we have to calculate the mass of H_2SO_4

\text{Concentration of }H_2SO_4=\frac{\text{Moles of }H_2SO_4}{\text{Volume of }H_2SO_4}

6.9M=\frac{13.9mol}{\text{Volume of }H_2SO_4}

\text{Volume of }H_2SO_4=2.0L

Thus, the minimum amount of 6.9 M H_2SO_4 needed is, 2.0 L

3 0
4 years ago
Use the following structures of amino acids to answer the questions below. Note that the difference in the structures (the side
alexira [117]
In a positively charged column, Asparate will travel the farthest followed by Threonine, Leucine and Lysine.
7 0
3 years ago
Copper metal has a specific heat capacity of 0.3850 j/g °C and has a melting point of 1083°C. Caculate the amount of energy requ
Bas_tet [7]
Using the rule Q=mcdeltaT
Q=0.3850j/g*22.8*875
Q=7505.19 J
5 0
3 years ago
In a chemcial reaction, substances
Fofino [41]

Answer:

My guess is c

Explanation:

5 0
4 years ago
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