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bekas [8.4K]
3 years ago
6

How is the caloric value of a food sample determined?

Chemistry
1 answer:
bixtya [17]3 years ago
7 0
By multiplying the total amount in grams of a given food sample by energy values established by nutritionists for the particular food type i believe
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What is the formula of the ionic compound formed by the elements lithium and oxygen?
kozerog [31]
The formula is Letter A) Li2<span>O 

i got 5 out of 5 on this test on plato.</span>
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3 years ago
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Which subatomic particles would be found orbiting around the nucleus?
LiRa [457]
An atom consists of three subatomic particles.

In the middle of atom it consists of nucleus which have two subatomic particles. They are protons and neutrons.

And there is a subatomic particle that is found orbiting around the nucleus in an atom, name of that subatomic particle is electron.

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3 years ago
Given the following unbalanced chemical reaction: As + NaOH Na3AsO3 + H2 What would be the coefficient of the NaOH molecule in t
barxatty [35]

Answer: -

6

Explanation: -

The given unbalanced chemical equation is As + NaOH -- > Na3AsO3 + H2

We see there 3 sodium on the right side from Na3AsO3.

But there are only 1 sodium on the left from NaOH.

So we multiply NaOH by 3.

As + 3 NaOH -- > Na3AsO3 + H2

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But the number of hydrogens is 2 on the left.

So, we multiply to get both sides 6 hydrogen.

As + 6NaOH -- > Na3AsO3 + 3 H2

Rebalancing for Na,

As + 6NaOH -- > 2Na3AsO3 + 3 H2.

Finally balancing As,

2 As + 6 NaOH -- > 2Na3AsO3 + 3H2

The coefficient of the NaOH molecule in the balanced reaction is thus 6

7 0
3 years ago
Counting atoms worksheet
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Answer: if you are looking for a worksheet go to teachers pay s teachers or Pinterest

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3 years ago
While following the Dumas method, a student assumes that the contents of the container are the same temperature as the water bat
Nataliya [291]

Answer:

A

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the Molar mass will be smaller as the content of the container is not directly proportional to the temperature of the water bath.

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