1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jarptica [38.1K]
3 years ago
6

Select the correct answer.

Chemistry
2 answers:
solong [7]3 years ago
6 0

Answer:

It determines how difficult it is to start the reaction.-B.

vlada-n [284]3 years ago
3 0

B. it determines how difficult it is to start the reaction

You might be interested in
Write the equilibrium constant formula for the following reaction: 2H2+O2 yields 2H2O
Anvisha [2.4K]
2 H_{2} + O_{2} ---\ \textgreater \  2H_{2}O



K= \frac{ [H_{2}O]^{2} }{ [H_{2}]^{2} [O_{2}]}
8 0
3 years ago
Read 2 more answers
Can someone please help me please?
raketka [301]

Answer:

stop posting the same problem someone will answer in time

5 0
3 years ago
Methane and ethane are both made up of carbon and hydrogen. In methane, there are 12.0 g of carbon for every 4.00 g of hydrogen,
Sati [7]

Answer:

The answer is: Law of multiple proportions        

Explanation:

The law of multiple proportions is a law of chemical combination given by Dalton in 1803.

According to this law, if more than one chemical compound is formed by combining two elements, then the mass of an element that combines with the fixed mass of other element is represented in the form of small whole number ratio.

<u>Therefore, is an illustration of the law of the law of multiple proportions.</u>

8 0
3 years ago
Acenapthalene has the empirical formula C6H5. A solution of 0.515 g of acenapthalene in 15.0 g CHCl3 boils at 62.5oC. The normal
german

Answer:

The molecular formula of an ascenapthalene is C_{12}H_{10}

Explanation:

\Delta T_b=K_b\times m

\Delta T_b=K_b\times \frac{\text{Mass of acenapthalene}}{\text{Molar mass of acenapthalene}\times \text{Mass of chloroform in Kg}}

where,

\Delta T_f =Elevation in boiling point = (62.5-61.7)^oC=0.8^oC

Mass of acenapthalene = 0.515 g

Mass of CHCl_3 = 15.0 g = 0.015 kg (1 kg = 1000 g)

K_b = boiling point constant = 3.63 °C/m

m = molality

Now put all the given values in this formula, we get

0.8^0C=3.67 ^oC/m\times \frac{0.515}{\text{Molar mass of acenapthalene}\times 0.015kg}

\text{Molar mass of acenapthalene}=155.7875 g/mol

Let the molecule formula of the Acenapthalene be C_{6n]H_{5n}

6n\times 12 g/mol+5n\times 1 g/mol=155.7875 g/mol

n = 2.0

The molecular formula of an ascenapthalene is C_{12}H_{10}

4 0
4 years ago
What are the chemical symbols for the elements calcium, carbon, and chlorine respectively? es
laiz [17]
The answer is letter c
7 0
3 years ago
Other questions:
  • Will Give Brainliest Answer!!!!! PLEASE!!!
    15·2 answers
  • One year is the amount of time it takes Earth to ____________. A. complete one rotation B. complete one revolution C. complete 5
    6·2 answers
  • 21) Amines, amides, and amino acids are categories of *
    15·1 answer
  • A large area of flat land elevated high above sea level is called a a. syncline. b. plateau. c. canyon. d. fault
    5·2 answers
  • Compared to oil and gas, solar energy:
    6·2 answers
  • Which is true about metals used for jewelry, such as platinum and gold? A. They have low flammability. B. They have low reactivi
    13·2 answers
  • What are water and carbon dioxide in the cellular respiration reaction
    10·1 answer
  • When is energy released during a chemical reaction?
    10·2 answers
  • The Henderson-Hasselbalch equation relates the pH of a buffer solution to the pKa of its conjugate acid and the ratio of the con
    15·1 answer
  • PLS HELP ME WILL MARK YOU AS BRAINLIEST
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!