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lbvjy [14]
3 years ago
12

Which substance tends to form anions when bonding with other elements?

Chemistry
2 answers:
weqwewe [10]3 years ago
7 0

Answer:

B) Oxygen

Explanation:

i just took the test.

alekssr [168]3 years ago
5 0

Oxygen or podium or calcium

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What Size container do you need to hold 0.0459 mol of N2 gas at stp
Allushta [10]
Hello!

You need to calculate the volume of the container. To calculate the volume of this amount of N₂ gas we need to make the assumption that N₂ behaves like an ideal gas. 

1 mole of an ideal gas under Standard Temperature and Pressure occupies 22,4 L so the calculations are as follows:

0,0459 mol N_2* \frac{22,4 L}{1 mol N_2}= 1,028 L

So, the volume of the container should be 1,028 L or more.

Have a nice day!
4 0
3 years ago
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 8.60 MJ o
Alecsey [184]

Answer: 64.216\times 10^4grams of liquid sodium is required.

Explanation: To calculate the mass of liquid sodium, we use the formula:

q=nc\Delta T\\q=\frac{m}{M}c\Delta T

where,

q = heat required, 8.60MJ=8.60\times 10^6J   (Conversion factor: 1MJ = 1000000J)

m = Mass of liquid sodium, ?g

M = Molar mass of liquid sodium, 23g/mol

c = Specific heat capacity, 30.8J/Kmol

\Delta T = change in temperature,  \Delta T=(510-500)K=10K    (Conversion factor: 0°C = 273K)

Putting values in above equation, we get:

8.60\times 10^6J=\frac{m}{23g/mol}\times 30.8J/Kmol\times 10K

m=64.216\times 10^4grams

5 0
3 years ago
Which of the following is a correctly balanced reaction equation?
kompoz [17]

Answer:

CaCl2 + 2NaOH -> 2NaCl + Ca(OH)2

Explanation:

6 0
2 years ago
Help please !
nikklg [1K]

mass  \: defect \: is \:  \:  given \: to \: be \:  6.9986235 \times  {10}^{ - 29}  \: which \: is \: approx \: 7 \times  {10}^{ - 29}

Go through the following attachment

4 0
4 years ago
Read 2 more answers
How many grams of water can you make with 60g of H2.<br> Unbalanced equation is: H2 + O2 -&gt; H2O
IrinaVladis [17]

Answer:

360g where 1mole of O2 reacts with 2miles of H2 to form 1mole of water

Explanation:

2H2+O2=2H2O

4 0
3 years ago
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