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3 years ago

How many protons does hydrogen have?

Chemistry

1 answer:

Nataly_w [17]3 years ago

4 0

Hello there!

Hydrogen has one proton because the number of protons in an atom is equal to the atomic number of the element. S ince hydrogen's atomic number is 1, it has one proton.

I hope that's help !

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What is the mass of the Iron (Fe) involved in this reaction? (4pts)<br><br> 1

guajiro [1.7K]

I Would Think that the answer is 55.845 u ± 0.002 u

Or you could just do<u> 55.85 Grams</u>

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2 years ago

Which action must occur for an enzyme to catalyze a chemical reaction?

Butoxors [25]

Answer:

correct substrate to bind the active site of the enzyme.

Explanation:

For an enzyme to catalyze a chemical reaction it is very essential for the correct substrate to bind the active site of the enzyme.

The Active site consists of two parts

1.Binding site

2. Catalytic site

The binding site consists of amino acid residues that bind to the correct substrate while the catalytic site has the amino acids that lead to the catalysis.

The active site's shape is such that only the right substratum easily binds to it and thus the catalytic reaction occurs.

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2 years ago

Depending upon the tip of a dropper pipet there are approximately 20 drops per milliliter of water. the experimental procedure p

Murrr4er [49]

Answer : The volume range in milliliters for the solution is 0.25 - 0.5 mL

Explanation :

We have been given that there are approximately 20 drops per milliliter of water

This information can be used as a conversion factor as $\frac{1mL}{20 drops}$

We are using 5-10 drops of the solution.

Let us calculate milliliters in 5 drops.

$5 drops \times\frac{1 mL}{20 drops} = 0.25 mL$

Similarly, 10 drops would contain

$10 drops \times\frac{1 mL}{20 drops} = 0.5 mL$ solution.

Therefore the volume range in milliliters for the solution is 0.25 - 0.5 mL

8 0

3 years ago

How many moles of gold, a U, are in 3.60×10^-5 G of gold?

ch4aika [34]

Answer:

See Below.

Explanation:

This is a conversion problem:

Using the molar mass of Gold (given in a periodic table) which is 196.97g/mol

you have

$(3.60*10^-5 g) *\frac{1moles}{196.97g}$

you always arrange the equation in a way to cancel whatever you don't want (grams) and leave what you do want (moles). Here grams cancel (top and bottom), so you're left with:

$\frac{(3.60*10^-5 g) *(1)}{196.97} = 1.83*10^-7$ moles of Gold

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3 years ago

How do you read a map

nordsb [41]

It depends on the map but mostly just read the key and try to understand what you are locating.

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3 years ago

Read 2 more answers