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Eva8 [605]
3 years ago
5

PLEASE HELP ! Need help now ! Thank you in advance , will mark brainliest !!

Chemistry
1 answer:
Maurinko [17]3 years ago
6 0
Enzymes break down amino acids so the food you have just eaten can be digested
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What atomic or hybrid orbitals make up the pi bond between the C1 And C2 in tetrafluoroethylene, C2F4? How many sigma bonds does
schepotkina [342]
C1 has 3 sigma bonds and 1 pi bond.
3 0
3 years ago
Nitrogen (N2) and hydrogen (H2) react to make NH3 according to the following
Schach [20]

The number of moles of NH3 that could be made would be 0.5 moles

<h3>Stoichiometric reactions</h3>

From the balanced equation of the reaction:

N2 (g) + 3 H2(g) ----> 2NH3 (g)

The mole ratio of N2 to H2 is 1:3

Thus, for 0.50 moles of N2, 1.5 moles of H2 should be present. But 0.75 moles of H2 was allowed to react. Meaning that H2 is limiting in this case.

Mole ratio of H2 and NH3 = 3:2

Thus for 0.75 moles H2, the mole of NH3 that would be produced will be:

                       2 x 0.75/3 = 0.5 moles

More on stoichiometric calculations can be found here: brainly.com/question/8062886

3 0
2 years ago
The measure of gravity on Earth determines our __________.
kirza4 [7]

The correct answer are:

#1. The measure of gravity on earth determines our weight

#2. The closer an object is to the center of earth, the greater the gravitational force on that object.

#3. Objects in a free fall are constantly picking up speed as they fall back to earth is true.

Brainliest please!

6 0
3 years ago
Toolkit <br> How many energy levels does sulfur have?<br> A. 2<br> B. 3<br> C. 4<br> D. 14
True [87]
Sulfur has 3 energy levels. 
5 0
3 years ago
Calculate the pH of a solution that has a [OH−] of 2.6 × 10^−6 M.
TiliK225 [7]

Answer:

A. 8.4

Explanation:

[OH⁻] = 2.6 × 10⁻⁶               Take the negative log of each side

-log[OH⁻] = pOH = 5.59     Apply the pH/pOH relation

pH + pOH = 14.00               Insert the value of pOH

pH + 5.59 = 14.00               Subtract 5.59 from each side

pH = 14.00 -5.59 = 8.41

7 0
3 years ago
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