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tamaranim1 [39]
3 years ago
11

Given the following solutions:Solution A: pH of 10Solution B: pH of 7Solution C: pH of 5

Chemistry
2 answers:
earnstyle [38]3 years ago
8 0
(1) A,B,C is your answer, a decreasing pH means there is a higher H+ concentration
ASHA 777 [7]3 years ago
5 0
1) A, B, C
Hope this helped! :)
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Find the equation of directrix of the parabola is given by 64x equals to -ySquare ​
ANEK [815]

Answer:

Given equation of parabola is

and

2

=64x ......(i)

The point at which the tangent to the curve is parallel to the line is the nearest point on the curve.

On differentiating both sides of equation (i), we get

2 y

dx

d y

=64

⇒

dx

d y

=

and

32

Also, slope of the given line is −

3

4

∴−

3

4

=

and

32

⇒and=−24

From equation (i), (−24)

2

=64x⇒x=9

∴ the required point is (9,−24)

Explanation:

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5 0
3 years ago
What is a covalent bond?
Sphinxa [80]
It is the electron sharing.
electronegative element + electronegative element

exemple :

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3 0
3 years ago
When can all the coefficients in a balanced equation represent volume ratios? when reactants and products are solids at stp when
Alexxx [7]

Answer: when reactants and products are gases at STP.


Justification:


1) STP stands for standard temperature (0°) and pressure (1 atm).


2) According to the kinetic molecular theory of the gases, and as per Avogadro's principle, equal volumes of gases, at the same temperature and pressure, have the same number of molecules.



3) Since the coefficients in a balanced chemical equation represent number of moles, when reactants and products are gases at the same temperature and pressure, the mole ratios are the same that the volume ratios, and then the coefficients of the chemical equation represent the volume ratios.


8 0
3 years ago
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What is missing from the temperature and volume<br> graph shown at right?
Anna11 [10]
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8 0
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Oduvanchick [21]

Answer:

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Explanation:

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6 0
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