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Phantasy [73]
3 years ago
5

Identify the kinds of intermolecular forces that might arise between molecules of n2h4.

Chemistry
1 answer:
denis23 [38]3 years ago
7 0
<span>1. London forces. 4. dipole - dipole. Due to a small hydrogen atom and a much large fluorine atom, with a large , positive nuclus and large, negative, p orbitals . This makes it very polar.</span>
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Which of the following statements is true about what happens during a chemical reaction?
tiny-mole [99]

Answer: The correct option is A.

Explanation: In a chemical reaction, reactants react to form a number of products.

For the formation of products, the bonds of the individual reactants must be broken and the bonds of the products must be formed.

For example: Formation of water from hydrogen gas and oxygen gas. Reaction follows:

2H_2(g)+O_2(g)\rightarrow 2H_2O(l)

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5 0
2 years ago
Read 2 more answers
Which of these elements could be used in industry to control electron flow?
anzhelika [568]

Answer:

the answer is calcium

Explanation:

6 0
3 years ago
31.5 grams of an unknown substance is heated to 102.4 degrees Celsius and then placed into a calorimeter containing 103.5 grams
Alexxandr [17]
Heat gained in a system can be calculated by multiplying the given mass to the specific heat capacity of the substance and the temperature difference. It is expressed as follows:<span>

Heat = mC(T2-T1) 

When two objects are in contact, it should be that the heat lost is equal to what is gained by the other. From this, we can calculate things. We do as follows:

</span>Heat gained = Heat lost
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Hope this helps.
5 0
3 years ago
In which are the ionic solids ranked in order of increasing melting point?
abruzzese [7]

Answer:A

Explanation:

The melting points of solids depend in the relative sizes of ions in the ionic lattice. The smaller the relative sizes of the ions, the higher the lattice energy and the stronger the lattice hence higher melting point. Comparing relative ionic sizes, fluoride ion is lesser in size than chloride ion hence NaF has a higher melting point than NaCl.

7 0
3 years ago
How many grams of O are in 905 grams of Na2O? ​
galben [10]

Answer:

301.7g

Explanation:

So there's 1 out of 3 are Oxygen.

905 / 3 = 301.7

8 0
3 years ago
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