CHEMISTRY HIGH SCHOOL

What revolution did Toussaint L'Ouverture lead?A. the French Revolution
B. the Italian Revolution
C. the Haitian Revolution
D. the Columbian Revolution

Answers

Answer 1
Answer:

Answer:

The Correct Answer is C

The Haitian Revolution

Explanation:

  • The Haitian Revolution should regularly be termed as the greatest and most victorious slave revolt in the Western Hemisphere.
  • The social uncertainty of Saint Domingue was the principal circumstance in the Haitian revolution
  • Slaves launched the revolt had achieved in achieving not just slavery but French authority over the colony.
Answer 2
Answer: Toussaint L'Ouverture helped lead the Haitian Revolution.

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There are 12 inches (in). in 1 foot (ft). which expression can be used to find the number of inches in 2.5 feet?
Electrical motors work based on the fact that a wire carrying current can produce a ______________ field, which can lead to production of mechanical energy through rotation. A gravitational B parallel C magnetic D alternating
NEED HELP AS SOON AS POSSIBLE!7. How many atoms are present in a 6.00 g sample of silver? a. 1.07 x 10^-1 atoms b. 6.47 x 10^2 atoms c. 3.35 x 10^22 atoms d. 3.61 x 10^24 atoms 8. How many atoms are present in 2.0 x 10^6 mol of carbon? a. 3.3 x 10^-18 atoms b. 4.0 x 10^-17 atoms c. 1.0 x 10^29 atoms d. 1.2 x 10^30 atoms 9. what mass is present in sample of AgNO3 containing 3.14 x 10^19 formula units? a. 5.21 x 10^-5 g b. 8.86 x 10^-3 g c. 1.13 x 10^2 g d. 1.92 x 10^4 g 10. How many molecules are present in 36.6 L of SO2 gas at STP? a. 1.36 x 10^-21 molecules b. 1.63 x 10^0 molecules c. 1.54 x 10^22 molecules d. 9.84 x 10^23 molecules
eleanor wants to show her class a comparison of melting rates between two different solids when he is applied why would a graph be more suitable than a table to show her data

When 11.12 g of neon is combined in a 100 L container at 80oC with 9.59 g of argon, what is the mole fraction of argon?

Answers

The correct answer for the question that is being presented above is this one: "0.3."

Here it is how to solve.
Molecular mass of Ar = 40
Molecular mass of Ne = 20
Number of moles of Ar = 9.59/40 = 0.239
Number of moles of Ne = 11.12/20= 0.556
Mole fraction of argon = 0.239/ ( 0.239 + 0.556) = 0.3

A student gains 1.0 lb in two weeks. How many grams did he gain?Express your answer to two significant figures and include the appropriate units.





I don’t know

Answers

In 1 lb there are 450 grams (Rounded upto  2 - Significant figures).

We havea weight gain of 1.0 lb.

We have to convert it into grams.

How many grams are there in 1 lb?

I lb = 453.592 grams

According to the question -

A = 1 lb

Converting it into grams, we get -

1 lb = 1 x 453,592 = 453.592 grams

Rounding up to 2 - Significant figures, we get -

1 lb = 450 grams

Hence, in 1 lb there are 450 grams (Rounded upto  2 - Significant figures).

To solve more questions on unit conversions, visit the link below-

brainly.com/question/4600100

#SPJ2
1lb= 453.592g but then to change to 2 significant figures you go down two of the numbers so here it will be 4 and 5 that stands for 450g. So he gained 450g. I hope that helped

Any substance that yields a hydrogen ion when placed in a water solution is called a(n) _____.acid
base
hydronium ion
hydroxide ion

Answers

Answer : Option A) Acid


Explanation : Any substance that yields a hydrogen ion when placed in a water solution is called an acid.


According to Arrhenius theory of Acids and Bases, Acids are those substances which on dissociation in solution generates H^(+) ions. Whereas a Base is a substance that dissociates in the solution to produce OH^(-) ions.

Answer:

the answer is acid.

Explanation:

In Organic Chemistry, what does the letter "X" represent?a. a hydrogen
c. a carbon
b. a halogen
d. an alkane

Answers

X represent halogen atom bonded to a saturated c atom So the answer is letter b

Why can molten solution of ionic compounds be electrolysed

Answers

Answer:

the current is carried through the electrolyte by the movement of ions - not electrons.

Explanation:

The reason that an electrolyte has to be molten or in solution is that the current is carried through the electrolyte by the movement of ions - not electrons. In a solid, those ions can't move. It also follows, of course, that an electrolyte must contain ions.

What is the energy change that will occur when 25.5 grams of oxygen gas (O2) react with excess methane (CH4) according to the reaction below? CH4 + 2 O2yields CO2 + 2 H2O delta H = -889 kJ/mol

Select one:
a. 354 kJ of energy will be given off by the reaction
b. 354 kJ of energy will be absorbed by the reaction
c. 708 kJ of energy will be given off by the reaction
d. 708 kJ of energy will be absorbed by the reaction

Answers

amount of CH4 is excess, so no need to worry about it 
but the limiting factor is the Oxygen 

according to stranded equation, 

CH4 + 2 O2 --> CO2 + 2 H2O ΔH = -889 kJ/mol 


just by taking proportions 

(-889 kJ/mol) / 2 x 0.8 mol = - 355.6 kJ 

so i think the answer is (a)
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