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enyata [817]
3 years ago
9

Using your answers from part C, complete the chemical formula of each compound. If the number of ions is 1, leave that

Chemistry
1 answer:
Amiraneli [1.4K]3 years ago
6 0

Answer:

1;1, 2;1, 3;1, 1;2, 1;1, 3;2, 1;3, 2;3, 1;1.

I hope this will help.

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Which field of science studies the composition and structure of matter
aleksandrvk [35]
Chemical science deals with mater like compound mater 
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3 years ago
The mechanical processes that breaks rocks physically into pieces
Hoochie [10]

Explanation:

  • Weathering is the physical and chemical breaking of rocks into smaller pieces.
8 0
3 years ago
How many milliliters of a 0.900% (m/v) normal saline solution can be prepared from 3.50 g of sodium chloride, NaCl
Bess [88]

Answer:

389 mL solution

Explanation:

Step 1: Given data

  • Concentration of the NaCl solution: 0.900% (m/v)
  • Mass of sodium chloride: 3.50 g
  • Volume of saline solution: ?

Step 2: Calculate the volume of saline solution

The concentration of the NaCl solution is 0.900% (m/v), that is, there are 0.900 g of NaCl every 100 mL of solution.

3.50 g NaCl × 100 mL solution/0.900 g NaCl = 389 mL solution

5 0
3 years ago
Which of these is NOT a way to express probability?
brilliants [131]

Answer:

Option A.

Explanation:

Probability is expressed in percent, fraction or in whole numbers

4 0
3 years ago
Read 2 more answers
If the combustion of fossil fuels adds about 5 x 1012 kg of carbon to the atmosphere as CO2 each year, how much oxygen is requir
Ne4ueva [31]
Hello!

The general chemical reaction for the combustion of a fossil fuel is the following one:

C(s) + O₂(g) → CO₂(g)

Now, we use the following conversion factor to go from kilograms of CO₂ to kilograms of O₂, using the molar masses of each compound and the reaction coefficients:

5*10^{12} kg CO_2* \frac{1000g}{1 kg}* \frac{1 molCO_2}{44,01 g CO_2}* \frac{1 mol O_2}{1 mol CO_2}* \frac{32gO_2}{1molO_2}* \frac{1kg}{1000g} \\  \\ = 3,64*10^{12}kgO_2

So, for producing 5*10¹² kg of CO₂, 3,64*10¹² kg of O₂ are required. 

Have a nice day!
6 0
4 years ago
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