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Trava [24]
3 years ago
6

KNO3 ______ ions in an aqueous solution. A. Forms B. Does not form ​

Chemistry
2 answers:
liberstina [14]3 years ago
8 0

Answer:

A

Explanation:

KonstantinChe [14]3 years ago
3 0

Answer:

the answer is

nitrate ions

please mark me branliest

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The model of the atom where the central core contains protons and neutrons surrounded by a cloud of electrons is best described
WITCHER [35]
I am thinking the answer is B. I think this because Bohr had a model similar, but his was lacking the cloud of electrons. His just had electrons orbiting the nucleus. 
I hope this is right!<span />
4 0
4 years ago
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What is the ratio of the side lengths on polygon FGHIJ to the corresponding side lengths on polygon ABCDE? Enter the ratio in th
alukav5142 [94]

Explanation:

this is the exact answer!!

7 0
3 years ago
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Two different ionic compounds each contain only copper and chlorine. Both compounds are powders, one white and one brown. An ele
mamaluj [8]

Answer:

B.

Explanation:

Elemental analysis involves the actual percentage compositions of each element in the sample of the compounds. We know that there are two different compounds here that both contain copper and oxygen. What we don't know is the actual number of copper or oxygen composed in the compounds.

An elemental composition of these compounds would thus tell us this and will give an idea of the chemical formula of each since we now know quite well the percentage composition of each of these elements

5 0
3 years ago
What is the limiting reactant in the following equation? How much Fe2O3 will be produced if 2.1 g of Fe reacts with 2.1 g of O2?
Nuetrik [128]

Answer:

Fe is limiting reactant and 3.00g of Fe2O3 will be produced

Explanation:

To solve this question we must convert the mass of each reactant to moles and, using the reaction we can find limiting reactant. With moles of limiting reactant we can find moles of Fe2O3 and its mass as follows:

<em>Moles Fe -Molar mass: 55.845g/mol-</em>

2.1g * (1mol / 55.845g) = 0.0376 moles

<em>Moles O2 -Molar mass: 32g/mol-</em>

2.1g * (1mol / 32g) = 0.0656 moles

For a complete reaction of 0.0656 moles of O2 are needed:

0.0656moles O2 * (4mol Fe / 3 mol O2) = 0.0875 moles Fe

As there are just 0.0376 moles,

Fe is limiting reactant

The mass of Fe2O3 is:

<em>Moles:</em>

0.0376 moles Fe* (2mol Fe2O3 / 4mol Fe) = 0.0188 moles Fe2O3

<em>Mass:</em>

0.0188 moles Fe2O3 * (159.69g / mol) =

3.00g of Fe2O3 will be produced

4 0
3 years ago
A block has 73 kg is being pushed and accelerated at rate of 10 m/s. what force is being applied to the block?
ki77a [65]

Answer:

730 N

Explanation:

force =mass×acceleration

force= 73kg × 10 m/s

f=730N

8 0
3 years ago
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