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Lelechka [254]
3 years ago
5

What determines how and atom reacts with different atoms

Chemistry
1 answer:
hjlf3 years ago
6 0

Answer:

atoms have a positive nucleus and negative electrons,an atoms electron configuration the outermost electrons determines how the atom can interact with the other atoms and atom forms another atom for sharing electrons.

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Aluminum reacts with chlorine gas to produce aluminum chloride crystals. How many grams of aluminum chloride will be produced if
valina [46]

Answer:

596 g of AlCl₃

Explanation:

The reaction is:

2Al + 3Cl₂  →  2AlCl₃

Firstly we need to determine the limiting reactant and we need to determine the moles of each

135 g . 1 mol / 26.98 g = 5 moles of Al

475 g . 1mol / 70.9 g = 6.7 moles of chlorine

Ratio in the reaction is 3:2

3 moles of chlorine gas need 2 moles of Al to react

Then, our 6.7 moles of gas might react to (6.7 . 2 ) /3 = 4.47 moles of Al

We have 5 moles of Al and we need 4.47 moles, so this is the excess reactant. In conclussion, Cl₂ is the limiting.

2 moles of Al react to 3 moles of gas

Our 5 moles of Al may react to (5 . 3 )/2 = 7.5 moles of gas

It's ok because we only have 6.7 moles, and there is not enough gas.

Now we calculate the product's mass

3 moles of gas can produce 2 moles of salt

Then, our 6.7 moles of gas will produce (6.7 . 2) /3 = 4.47 moles

We convert moles to mass: 4.47 mol . 133.33 g/mol = 596 g of AlCl₃

3 0
2 years ago
Which of the following correctly describes how rate laws are determined?
Gwar [14]
I think the answer is c
3 0
3 years ago
Read 2 more answers
Write a balanced chemical equation for the reaction that occurs when barium carbonate decomposes into barium oxide and carbon di
n200080 [17]
BaCO3=BaO+CO2
 IS THE EQUATION REPLACE = WITH AN ARROW.


4 0
3 years ago
If you leave a cup of hot chocolate sitting on a table what eventually happens to the temperature? Does the temperature ever rea
Ksivusya [100]

Ah , a cup of hot chocolate is alot of chocolate. Im gonna drool ; )

Well , heat flows from an area of high temperature to an area of low temperature. Here , hot chocolate has the high temp , and the surrounding has a room temp. So , the heat from the hot chocolate will dissipate into the surroundings and create a thermal equilibrium. So youre right.

8 0
3 years ago
If a 66.5 g sample of ammonium nitrate (NH4NO3) is dissolved in enough water to make 315 mL of solution, what will be the molari
11111nata11111 [884]

Answer:

2.64 M

Explanation:

To find the molarity, you need to (1) convert grams to moles (via molar mass), then (2) convert mL to L, and then (3) calculate the molarity (via molarity ratio). The final answer should have 3 sig figs to match the sigs figs of the given values.

(Step 1)

Molar Mass (NH₄NO₃): 2(14.007 g/mol) + 4(1.008 g/mol) + 3(15.998 g/mol)

Molar Mass (NH₄NO₃): 80.04 g/mol

66.5 grams NH₄NO₃                1 mole
---------------------------------  x  ----------------------  =  0.831 moles NH₄NO₃
                                             80.04 grams

(Step 2)

1,000 mL = 1 L

 315 mL                1 L
--------------  x  ------------------  =  0.315 L
                        1,000 mL

(Step 3)

Molarity = moles / volume

Molarity = 0.831 moles / 0.315 L

Molarity = 2.64 M

7 0
2 years ago
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