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daser333 [38]
2 years ago
11

Sceince problem i need help

Chemistry
2 answers:
Anna71 [15]2 years ago
5 0
D. Please mark brainliest have a great day
Cerrena [4.2K]2 years ago
3 0
D. due to the the water it will bring sand with the water there for us is D.
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using the symbol M for the element, write the chemical formula for the compound that forms when element M reacts with iodine.
Anon25 [30]

Answer : The chemical formula for the compound is, MI

Explanation :

When the element 'M' react with the I_2 to give MI.

The balanced chemical reaction is,

2M+I_2\rightarrow 2MI

In this reaction, 'M' is in mono-atomic form and I_2 is in diatomic form.

By the stoichiometry,

2 moles 'M' react with the 1 mole of I_2 to give 2 moles of MI.

Therefore, the chemical formula of the compound is, MI


6 0
3 years ago
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What kind of intermolecular forces act between two ammonia molecules
iragen [17]

Answer:

extensive hydrogen bonding

Explanation:

The high boiling points of water, hydrogen fluoride (HF) and ammonia (NH3) is an effect of the extensive hydrogen bonding between the molecules. The London dispersion force is caused by random and temporary changes in the polarity of atoms, caused by the location of the electrons in the atoms' orbitals.

Hope this helps :)

6 0
2 years ago
An element X exists as three naturally occurring isotopes. If all isotopes have the same atomic number, what would be the differ
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the amount of neutrons would be the difference in the three isotopes

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Which is one way to test whether an unknown solution is acidic or basic
yarga [219]

if the ph is above 7 then its acidic

if its below 7 than its going to be basic.

~serenity bella

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3 years ago
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Which of the following are pure substances? (Select all that apply.)
riadik2000 [5.3K]
Elements and compounds are both examples of pure substances. Compounds are substances that are made up of more than one type of atom. Elements are the simplest substances made up of only one type of atom. i hope that helps:)
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