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Liula [17]
3 years ago
15

How many hydrogen atoms Is needed for C2H2 to become saturated

Chemistry
1 answer:
Phoenix [80]3 years ago
7 0
It needs four hydrogen atoms
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In an acid-base neutralization reaction 38.74 ml of 0.500 m potassium hydroxide (ki) reacts with 50.00 ml of sulfuric acid solut
g100num [7]

Answer: 0.19M

Explanation: 2KOH+H_2SO_4\rightarrow K_2SO_4+2H_2O

Using Molarity equation:

n_1M_1V_1=n_2M_2V_2

M_1 = molarity of acid

V_1 = volume of acid

M_2 = molarity of base

V_2 = volume of base

2\times M_1\times 50ml=1\times 0.500M\times 38.74ml

M_1=0.19M

Thus the concentration of the H_2SO_4 solution is 0.19M.

6 0
3 years ago
Read 2 more answers
Which statement best describes how the temperature of the ocean's surface water varies \
Maurinko [17]
The answer is C, high altitudes remove the water from heat source. 

8 0
4 years ago
True or false: Observing a physical property of a substance will change the substances' identity I NEEED HELLLPPPPP NOOOWWWW !!!
andrew11 [14]

Answer:

false

Explanation:

a physical property can be observed and stay the same but a chemical property can't

8 0
4 years ago
3. describe natural sources of radiation. infer some of the dangers that radiation can impose.
maxonik [38]

Answer:

All of us are exposed to radiation every day, from natural sources such as minerals in the ground, and man-made sources such as medical x-rays. According to the National Council on Radiation Protection and Measurements (NCRP), the average annual radiation dose per person in the U.S. is 6.2 millisieverts (620 millirem).

Explanation:

4 0
3 years ago
The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). If you breathe 15 times a minute (at res
Misha Larkins [42]

Answer:

Explanation:

Given parameters:

Number of breathe per minute = 15times

Volume of air per breath = 0.5L

Percentage of oxygen in air = 21%

Solution

There are 24 hours in a day.

 60minutes makes a hour in a day,

I will breathe:

           15 times x 60 x 24  = 21600 times in a day

The volume of air I will take in per day:

       A breathe = 0.5L of air

    21600breathe = 0.5 x 21600 = 10800L of air

Volume of oxygen I will breathe per day:

    \frac{21}{100} x 10800 = 2268L of oxygen

7 0
3 years ago
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