CHEMISTRY HIGH SCHOOL

What is the molecular formula of a compound whose molar mass is 112 and whose empirical formula is ?

Answers

Answer 1
Answer: Well I need to know the empirical formula, molecular formula.
Then I can multiply the grams of each individual element by their molar mass, and divide the smallest element by itself, and the other elements by the smallest element. Then I get the empirical formula

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HIGH SCHOOL

What part of an acid's chemical formula is responsible for acidic properties?

Answers

H+ ions are responsible for making a solution acidic. 
HIGH SCHOOL

The unit 1 electronvolt (1 eV) is defined as the energy acquired by an electron as it moves through a potential difference of 1 V. Suppose two states differ in energy by 1.0 eV. What is the ratio of their populations at (a) 300 K and (b) 3000 K?

Answers

Answer:

a)

b) 0.021

Explanation:

The ratio of populations (r) is given by the equation:

Where DE is the difference between the states, k is the Boltzmann constant (k = , and T is the temperature in Kelvin.

So, DE = 1 eV = J

a) For T = 300 K

r =

r =

b) For T = 3000 K

r =

r = 0.021

The ratio of their populations at (a) 300 K and (b) 3000 Kis mathematically given as

r = 1.6x10^{-17}

r' = 0.021

What are the ratio of their populations at (a) 300 K and (b) 3000 K?

Question Parameter(s):

The unit 1 electronvolt (1 eV)

it moves through a potential difference of 1 V

Generally, the equation for the ratio of populations  is mathematically given as

Therefore

a)

For T = 300 K

r = 1.6x10^{-17}

b)

For T = 3000 K

r' = 0.021

Read more about Temperature

brainly.com/question/13439286

HIGH SCHOOL

Which of the following is an example of symbiosis? A. A mother bear taking care of her cubs


B. A married couple who split their rent


C. A tick feeding off of its host


D. One chimp cleaning and grooming the hair of another chimp

Answers

Answer:

c

Explanation:

im doing it now and the answer above me is wrong

D. One chimp cleaning and grooming the hair of another chimp
MIDDLE SCHOOL

the pressure on a gas at -73° C is doubled but its volume is held constant. what will the final temperature in degrees be?​

Answers

Answer:

                     127.15 °C

Explanation:

                    Gay-Lussac's law states that the pressure of a given mass of gas directly proportional to the absolute temperature of the gas at constant volume.

Mathematically,

                                           P₁ / T₁  =  P₂ / T₂   -----(1)

Data Given:

                  Initial Pressure  =  P₁  =  1 atm (assumed)

                  Initial Temperature  =  T₁  = -73°C =  200.15 K

                  Final Pressure  =  P₂  =  2 atm (doubled)

                  Final Temperature  =  T₂  =  ????

Solving equation 1 for T₂,

                                           T₂  =  P₂ × T₁ / P₁

Putting these values;

                                           T₂  =  2 atm × 200.15 K / 1 atm

                                           T₂  =  400.3 K

Or,

                                           T₂  =  127.15 °C

Conclusion:

                  By doubling the pressure results in increase in temperature.

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