CHEMISTRY HIGH SCHOOL

What is the ratio of NO:N2 in the given reaction4NH3+6NO->5N2+6H2O?
A) 5:6
B) 6:5
C) 4:5
D) 5:4

Answers

Answer 1
Answer: The ratio of NO:N2 in the given reaction is4NH3+6NO->5N2+6H2O

Since you have six moles of NO and 5 moles of N2, the ratio of NO:N2 is 6:5. The answer is letter B.

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Which ion was formed by providing the second ionization energy to remove an electron?

Answers

The correct answer for the question above is S2- (Sulfide.) S2- ion was formed by providing the second ionization energy to remove an electron. S2- is actually an inorganic anion of Sulfur. This anion contributes no color to any objects and is classified as a strong base.

Answer:

It is Ca2+

Explanation:

a ball rolls down a rap . A small amount of friction heats up the ball . what energy transformations are taking place ?

Answers

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Perform the followingmathematical operation, and
report the answer to the
appropriate number of
significant figures.
1204.2 +4.79613 = [ ? ]

Answers

This problem is providing a mathematical expression which the result should be expressed with the correct significant figures. At the end, the result is 1209.0 because of the following:

Significant figures:

In science, the use of significant figures is crucial as long numbers are not necessarily required when reporting a numerical value, for that reason the importance of reporting measurements with the correct number of significant figures.

In the case of additions, we perform the normal operation as the first step:

1204.2 +4.79613 = 1208.99613

Next, we round the result to the leastnumber of decimal places, in this case one because 1204.2 has just one decimal place, unlike the 4.79613 which has five, so that we round the 8 up to 9 and leave a 0 as the onlydecimalplace:

1209.0

Learn more about significant figures: brainly.com/question/11904364

Which of the following is the first step toward proposing solutions effectively?a. Determine the desired outcome.

b. Propose a possible solution.

c. Act on a possible solution.

d. Identify the unresolved problem or dilemma.

Answers

Let's order the four actions in order in which they should be done:
 
d. Identify the unresolved problem or dilemma.
a. Determine the desired outcome.
b. Propose a possible solution.
c. Act on a possible solution.

Notice how the different steps depend on the previous steps, for example you can only act on the possible solution, once you know what the solution is.

So the first step will be d. Identify the unresolved problem or dilemma.
The correct answer is (d.) Identify the unresolved problem or dilemma. The first step toward proposing solutions effectively is to first identify the unresolved problem or dilemma. Trace all what's causing the problem in order to come up with a resolution.

Dtermine the volume in liters occupied by 0.030 miles of a gas at stp

Answers

1 mole -------- 22,4 L ( at STP )
0.030 moles --- ?

V = 0.030 * 22,4 / 1

V = 0.672 L

hope this helps!

Question #21TrueFalse The general name for a substance added to a reaction that affects the rate but is not consumed in the reaction is called a complex a. True
b. False

Answers

The statement above about “The general name for a substance added to a reaction that affects the rate but is not consumed in the reaction is called a complex” is false. The answer is letter B. It should be the enzyme, not the complex.
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