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riadik2000 [5.3K]
3 years ago
14

Which statement is true concerning energy

Chemistry
1 answer:
slava [35]3 years ago
5 0
What are the statements ?
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What happens to a line when the y-intercept is changed? Check all that apply.
tamaranim1 [39]

Answer:

As the y-intercept increases, the graph of the line shifts up;

As the y-intercept decreases, the graph of the line shifts down

Explanation:

There are two ways to think about this problem. The first way would be the graphical approach:

  • if we only change the y-intercept, this means we keep the same slope;
  • y-axis is the vertical axis;
  • if we change the point at which the line crosses the y-axis, we either shift it upward for a higher y-intercept or downward for a lower y-intercept.

Now, thinking algebraically, a line has the following equation in a general form:

y = mx + b

The y-intercept is essentially obtained when x = 0, then:

y = b:

  • if we increase b value, the y value increases, so the graph shifts upward;
  • if we decrease b value, the y value decreases, so the graph shifts downward.
5 0
3 years ago
What will happen if pressure is increased?
fgiga [73]

When there is an increase in pressure, the equilibrium will shift towards the side of the reaction with fewer moles of gas. When there is a decrease in pressure, the equilibrium will shift towards the side of the reaction with more moles of gas.

8 0
3 years ago
Read 2 more answers
One two three four five six
Sergio039 [100]

Answer:

7

8

9

10.

better check book pages for this kinda answer.

8 0
2 years ago
How many significant digits are in the volume measurement 0.010 mL? A) 1 B) 2 C) 3 D) 4 E) none of the above
fgiga [73]

Answer:

The correct answer is option B.

Explanation:

Significant figures :These are figures in a number which expresses the value of the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

Significant digits in the volume measurement 0.010 mL are:

0.0\bar{10} = 2 significant figures

  • All non-zero numbers are always significant.
  • All zero’s preceding the first integers are never significant.
  • All zero’s after the decimal point are always significant.
6 0
3 years ago
Which of the following is acidic salt?
zavuch27 [327]
It’s B NH4CI i took the test and i got them all right you’re welcome
8 0
1 year ago
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