CHEMISTRY HIGH SCHOOL

How many grams of copper, CU are there in 2.55mol of CU?

Answers

Answer 1
Answer: 2.55 mol Cu* 63.54 g Cu / 1 mol Cu so you cancel mol Cu, leaving you with 2.55 * 63.54 g Cu /1 =162.027
Answer 2
Answer:

Final answer:

To calculate the number of grams of copper (Cu) in 2.55 mol of Cu, multiply the number of moles by the molar mass of copper. The molar mass of Cu is 63.55 g/mol. Therefore, there are 162.05 grams of copper (Cu) in 2.55 mol of Cu.

Explanation:

To calculate the number of grams of copper (Cu) in 2.55 mol of Cu, we need to use the molar mass of copper. The molar mass of Cu is 63.55 g/mol. Therefore, 2.55 mol of Cu is equal to:

2.55 mol Cu × 63.55 g/mol = 162.05 g Cu

So, there are 162.05 grams of copper (Cu) in 2.55 mol of Cu.

Learn more about grams of copper in mol of Cu here:

brainly.com/question/37748884

#SPJ2

Related Questions

Which is true about models in science?A-Models are accurate enough for the phenomena they represent.B-Models only present macroscopic versions of the submicroscopic.C-Models help explain phenomena but are not good for predicting events.D-Models are used throughout science although they are not always accurate.
Why do olive oil and vinegar (a water-based solution) tend to separate in salad dressing? will added salt dissolve in the oil or in the vinegar? explain your answer?
16 Which two gases can not be broken down by chemical means?(1) CO and He (3) Xe and He(2) CO and NH3 (4) Xe and NH3
Oxygen and sulfur have similar chemical properties because both elements have six electrons in their outermost electron shells. Indeed, both oxygen and sulfur form molecules with two hydrogen atoms: water and hydrogen sulfide. Surprisingly, water is a liquid, yet hydrogen sulfide is a gas, even though sulfur is much larger and heavier than oxygen. Propose an explanation for this striking difference.
What is the value of 100 ºC on the Kelvin scale? 100 K

Given the reaction at equilibrium:N2(g) + 3H2(g) -->2NH3(g) + 91.8 kJ
What occurs when the concentration of H2(g) is increased?
(1) The rate of the forward reaction increases and the concentration of N2(g) decreases.
(2) The rate of the forward reaction decreases and the concentration of N2(g) increases.
(3) The rate of the forward reaction and the concentration of N2(g) both increase.
(4) The rate of the forward reaction and the concentration of N2(g) both decrease.

Answers

If the concentration of H_2 (g) is increased, the rate of the forward reaction increases and the concentration of N_2 (g)decreases.

Le Chartelier principle

The principle states that reactions in equilibrium being disturbed by factors such as temperature, the concentration of species in the reaction, etc, will experience a shift in the equilibrium so as to annul the effects of the disturbance.

Thus, adding more of the reactants ( H_2 (g) to the reaction will see more  products being synthesized. This means more  N_2 (g) will be consumed and its concentration will decrease accordingly.

More on Le chartelier principle can be found here: brainly.com/question/12099569

#SPJ2
(1) The rate of the forward reaction increases and the concentration of N2(g) decreases.
N2 is constant 

If the temperature of air increased, how would it affect the rate of condensation of water vapor

Answers

It will increase the rate of the condensation

when the temperature around the water vapor cooled down, it loses its capacity to hold the water, so they will for water droplets.

For example you can compare a warm cup of tea and a warm cup of tea with an ice in it. You will find a lot of water droplets in the iced one because cooler air could held less water than the warm one

You wash dishes for a chemistry laboratory to make extra money for laundry. You earn 12 dollars/hour, and each shift lasts 75 minutes. Your laundry requires 12 quarters/load. How many loads of laundry will each shift pay for if the cost per load rises to 16 quarters?

Answers

You calculate the amount of loads of laundry as follows:

((6 x 0.25)/ load) x 10 loads = 15.00 total cost required for laundry 

(6.00 / 60 min) x (75 min/shift) = 7.50 cost / shift 

15.00 / (7.50 / shift) = 2 loads of  laundry

Hope this answers the question.

Each shift worked can pay for 3.75 loads of laundry if each load costs 16 quarters.

Further Explanation

This problem can be solved using simple dimensional analysis. The steps are:

  1. Sort the given. Identify the conversion factors or equalities that may be used. Identify what is required.
  2. Set up the dimensional analysis ensuring that units cancel out until only the desired unit is left. The equalities in the problem may be used as conversion factors.

STEP 1: Sort first the given in the problem to identify possible conversion factors to be used in the dimensional analysis.

The following equalities are given in the problem:

  • 1 shift = 75 minutes
  • 12 dollars = 1 hour
  • 1 load = 16 quarters
  • 1 dollar = 4 quarters

STEP 2: From these equalities, the following dimensional analysis can be set up:

no. \ of \ load \ = 1 \ shift * (75 \ min)/(1 \ shift) * {(1 \ hr)/(60 \ min) * (12 \ dollars)/(1 \ hr) * { (4 \ quarters)/(1 \ dollar) * (1 \ load)/(16 \ quarters)

no. \ of \ load \ = 3.75 \ load

Therefore, one shift can pay for 3.75 loads of laundry.

LEARN MORE

Keywords: dimensional analysis, problem solving

Which professional is most likely to suffer damage from lead contamination?A. doctor
B. farmer
C. painter
D. carpenter

Answers

its c because lead comes from paint The use of lead-based paints for homes, children's toys and household furniture has been banned in the United States since 1978. But lead-based paint is still on walls and woodwork in many older homes and apartments. Most lead poisoning in children results from eating lead-based paint chips. hope this helps
Farmer because a farmer needs the soil to grow his crops and if a power plant leaks he will have no more crops

________, such as HCl(aq), produce hydrogen ions when dissolved in water. A) Arrhenius acids
B) Arrhenius bases
C) Brønsted-Lowry bases
D) Brønsted-Lowry acids

Answers

The correct answer is A. Arrhenius acids, such as HCl(aq), produce hydrogen ions when dissolved in water. According to Arrhenius, acids are compounds or ions that releases hydrogen (H+) ions in its aqueous form.

PLS HELP ILL MAKE BRAINLIEST 30 POINTS!!Which parts of the muscular and skeletal system work together to move muscles and bones? nerves esophagus and intestine arteries and vessels tendons and ligaments

Answers

Answer:

tendons and ligaments
Other Questions
What is the chemical formula for zinc carbonate?(1) ZnCO3(2) Zn(CO3)2(3) Zn2CO3(4) Zn3CO3
The transition metal with the smallest atomic mass
A) How many moles of gold atoms are present in a 295-gram sample of gold? B) How many gold atoms would there be in the sample?
The first particles to evaporate from a liquid are those