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telo118 [61]
3 years ago
10

Which is a warning sign that someone needs the help of a mental health professional?

Chemistry
1 answer:
Alborosie3 years ago
8 0
If they talk to themselves,laugh when nobody is around and they do not have the TV on or are laughing when they do not have their smartphone nearby.Also crying a lot for no reason.If they say that they hear voices when nobody is around.If they do things that do not make any sense.Maybe they need to talk to someone such as a friend as they could be going through a tough time. If someone did have a talk with the person and things did not get any better, maybe professional help is needed.
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What kind of plant growth hormone to regular plant growth. We dissolve 5.0 mg of the solution into 2.0 kg of water. What is the
In-s [12.5K]

Answer:

The dosage of the solution is 2.5 parts per million.

Explanation:

The solvent proportion in parts per million is equal to the ratio of solution in miligrams to ratio of water in miligrams multiplied by a million. (A kilogram is equivalent to a million miligrams) That is:

p.p.m. = \frac{5\,mg}{2000000\,mg}\times 1000000

p.p.m. = 2.5\, ppm

The dosage of the solution is 2.5 parts per million.

3 0
3 years ago
Show me the periodic table
yawa3891 [41]
I think this is what you wanted, so good luck!

8 0
3 years ago
Which of the following is NOT a variable property for a gas?
Alex_Xolod [135]
Mass, air has that. Since what fills up a balloon? A gas
Shape, it has no definite shape. This one is accurate, it has no definite shape, it takes the shape of the object it's in.
Volume, does air take up space? If it does then yep. Balloon example/
Density, yes it does, because it's tightly wounded up.

D
5 0
3 years ago
Read 2 more answers
Calculate the volume of mercury with a density of 14.6 g/mL and a mass of 1.00 g. Please include a numeric value only with signi
Ne4ueva [31]
The answer is 0.06849315

5 0
3 years ago
A solution of NaOH is titrated with H2SO4. It is found that 20.05 mL of 0.3564 M H2SO4 solution is equivalent to 43.42 mL of NaO
Darya [45]

Answer : The concentration of NaOH is, 0.336 M

Explanation:

To calculate the concentration of base, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of acid which is H_2SO_4

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of base which is NaOH.

We are given:

n_1=2\\M_1=0.3564M\\V_1=20.05mL\\n_2=1\\M_2=?\\V_2=43.42mL

Putting values in above equation, we get:

2\times 0.3564M\times 20.05mL=1\times M_2\times 43.42mL

M_2=0.336M

Thus, the concentration of NaOH is, 0.336 M

3 0
3 years ago
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