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BaLLatris [955]
3 years ago
12

Is it possible for an atom to make more than one bond? explain and give an example.

Chemistry
1 answer:
rusak2 [61]3 years ago
5 0

Answer:

yes

Explanation:

you can have a double bond, i dont know how to explain it just one of those types of questions

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A sample of neon gas occupies a volume of 2.8L at 1.8 atm. What would its volume be at 1.2 atm?
puteri [66]

Answer:

4.2 L

Explanation:

Use Boyle's Law and rearrange formula.

- Hope this helps! Please let me know if you need further explanation.

3 0
3 years ago
A rigid tank contains 0.66 mol of oxygen (O2). Find the mass of oxygen that must be withdrawn from the tank to lower the pressur
dsp73

Answer:

12.8 g of O_{2} must be withdrawn from tank

Explanation:

Let's assume O_{2} gas inside tank behaves ideally.

According to ideal gas equation- PV=nRT

where P is pressure of O_{2}, V is volume of O_{2}, n is number of moles of O_{2}, R is gas constant and T is temperature in kelvin scale.

We can also write, \frac{V}{RT}=\frac{n}{P}

Here V, T and R are constants.

So, \frac{n}{P} ratio will also be constant before and after removal of O_{2} from tank

Hence, \frac{n_{before}}{P_{before}}=\frac{n_{after}}{P_{after}}

Here, \frac{n_{before}}{P_{before}}=\frac{0.66mol}{43atm} and P_{after}=17atm

So, n_{after}=\frac{n_{before}}{P_{before}}\times P_{after}=\frac{0.66mol}{43atm}\times 17atm=0.26mol

So, moles of O_{2} must be withdrawn = (0.66 - 0.26) mol = 0.40 mol

Molar mass of O_{2} = 32 g/mol

So, mass of O_{2} must be withdrawn = (32\times 0.40)g=12.8g

7 0
3 years ago
The Great Burdock plant’s seeds have spines on them that attach to the fur of animals that brush against it. The seed then trave
Sphinxa [80]
The answer is B. Commensalism.

<span>Commensalism is a relationship between two organisms in which only one of them has benefit, and the other one is not affected. In this example, the Great Burdock's plants spread their seeds using animals, so they benefit from this relationship. On the other hand, animals neither have benefits not are harmed from the relationship.</span>
3 0
4 years ago
Read 2 more answers
How many independent variables can be tested in a standard scientific experiment
Shalnov [3]

One independent variable

6 0
4 years ago
What is the mass number of 207Pb ? A: 289 B: 207 C: 125 D: 82
Sergio [31]
207 is the mass number. 82 would be the atomic number
3 0
3 years ago
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