What is the mass in grams of one-mole of potassium atoms?

Description : A cylinder contains oxygen at a pressure of 10 atm and a temperature of 300 K. The volume of the cylinder is 10 liters. What is the mass of the oxygen in grams? Molecular weight (MW) of oxygen is 32 g/mole?  a. 125.02  b. 130.08  c. 135.05  d. 120.04

Last Answer : 130.08 {(10atm)(10)(32)/(0.0821) (300K)}

The mass of one mole of a substance in grams is known as ______.  A. Molar weight  B. Molar mass  C. Molar volume  D. Molar constant

Description : The mass of one mole of a substance in grams is known as ______.  A. Molar weight  B. Molar mass  C. Molar volume  D. Molar constant

Last Answer : Molar mass

Is the amount of a substance that contains Avogadro’s number of atoms/molecules.  a. mass  b. matter  c. gram-mole  d. volume

Description : Is the amount of a substance that contains Avogadro’s number of atoms/molecules.  a. mass  b. matter  c. gram-mole  d. volume

Last Answer : gram-mole

If a sample of pure sodium has a mass of 8.2 grams and sodium has an average atomic mass of 22.99 gmol how many sodium atoms are there in the sample?

Description : If a sample of pure sodium has a mass of 8.2 grams and sodium has an average atomic mass of 22.99 gmol how many sodium atoms are there in the sample?

Last Answer : Need answer

What is the mass in grams of 9.76 x 1012 atoms of naturally occurring sodium?

Description : What is the mass in grams of 9.76 x 1012 atoms of naturally occurring sodium?

Last Answer : The mass is 1,62.10e-11.

How many grams is in one mole of acetic acid?

Description : How many grams is in one mole of acetic acid?

Last Answer : The molar mass of acetic acid is 60,05 g.

Calculate the number of oxygen atoms in 1 mole of O2. -Chemistry 9th

Description : Calculate the number of oxygen atoms in 1 mole of O2. -Chemistry 9th

Last Answer : 1 molecule of O2 = 2 oxygen atoms So, 1 mole of O2 = 2 mole oxygen atoms = 2 × 6.022 × 1023 = 12.044 ×1023 oxygen atoms.

Find the number of atoms in 0.5 mole of C atom. -Chemistry 9th

Description : Find the number of atoms in 0.5 mole of C atom. -Chemistry 9th

Last Answer : 0.5 mole of C=6.022×10*23 no. of atoms = 6.022×10*23/2 =3.011×10*23 hope this helps u

What is the number of hydrogen atoms present in 0.791 mole of ammonia?

Description : What is the number of hydrogen atoms present in 0.791 mole of ammonia?

Last Answer : The number of hydrogen atoms is 14,290540253661.10e23.

What is the total number of nitrogen atoms in 0.25 mole of NO2 gas?

Description : What is the total number of nitrogen atoms in 0.25 mole of NO2 gas?

Last Answer : 0,25 mole of NO2 gas contain 1,505 535 214 25.10e23 nitrogen atoms.

What is the total number of atoms contained in a 1.00 mole sample of helium?

Description : What is the total number of atoms contained in a 1.00 mole sample of helium?

Last Answer : The total number of atoms contained in a 1,00 mole sample ofhelium is 6,022 140 857.10e23.

What is the total number of atoms contained in a 1.00 mole sample of helium?

Description : What is the total number of atoms contained in a 1.00 mole sample of helium?

Last Answer : The total number of atoms contained in a 1,00 mole sample ofhelium is 6,022 140 857.10e23.

What is the number of hydrogen atoms present in 0.791 mole of ammonia?

Description : What is the number of hydrogen atoms present in 0.791 mole of ammonia?

Last Answer : The number of hydrogen atoms is 14,290540253661.10e23.

What is the total number of nitrogen atoms in 0.25 mole of NO2 gas?

Description : What is the total number of nitrogen atoms in 0.25 mole of NO2 gas?

Last Answer : 0,25 mole of NO2 gas contain 1,505 535 214 25.10e23 nitrogen atoms.

Heavy water is so called because it contains - (1) Heavy isotope of hydrogen (2) Heavy isotope of oxygen (3) Mole number of hydrogen atoms (4) Mole number of oxygen atoms

Description : Heavy water is so called because it contains - (1) Heavy isotope of hydrogen (2) Heavy isotope of oxygen (3) Mole number of hydrogen atoms (4) Mole number of oxygen atoms

Last Answer : (1) Heavy isotope of hydrogen Explanation: Heavy water, formally called deuterium oxide, is a form of "water that contains a larger than normal amount of the hydrogen isotope deuterium, (also known as ... ) rather than the common hydrogen-1 isotope that makes up most of the hydrogen in normal water.

10 mole of carbon contains A. 6.02 × 1024 atoms B. 6.03 × 1023 atoms C. 6.02 × 1023 atoms D. 6.04 × 1024 atoms

Description : 10 mole of carbon contains A. 6.02 × 1024 atoms B. 6.03 × 1023 atoms C. 6.02 × 1023 atoms D. 6.04 × 1024 atoms

Last Answer : 6.02 × 1024 atoms

Heavy water is so called because it contains (1) Heavy isotope of hydrogen (2) Heavy isotope of oxygen (3) Mole number of hydrogen atoms (4) Mole number of oxygen atoms

Description : Heavy water is so called because it contains (1) Heavy isotope of hydrogen (2) Heavy isotope of oxygen (3) Mole number of hydrogen atoms (4) Mole number of oxygen atoms

Last Answer : Heavy isotope of hydrogen

What is the number of atoms in 12 grams of carbon ?

Description : What is the number of atoms in 12 grams of carbon ?

Last Answer : : Number of atoms in 12 grams of carbon = 6.023 x 1023 .

H atoms in 36 grams of water ?

Description : H atoms in 36 grams of water ?

Last Answer : H Atom number 2.4 x 10 ^ 24.

How many atoms are in 40.08 grams of calcium?

Description : How many atoms are in 40.08 grams of calcium?

Last Answer : Need answer

Estimate the number of atoms comprising a silicon chip that is 0.2 millimeters by 0.2 millimeters by 0.1 millimeters, given that the density of silicon is 2.34 grams per cubic centimeter, the number of atoms in a gram-weight is approximately 6 x 1023 atoms, and the atomic weight of silicon is 28:

Description : Estimate the number of atoms comprising a silicon chip that is 0.2 millimeters by 0.2 millimeters by 0.1 millimeters, given that the density of silicon is 2.34 grams per cubic centimeter, the number of atoms in a gram-weight is approximately 6 x 1023 atoms, and the atomic weight of silicon is 28:

Last Answer : ANSWER: 2 x 1017

How many atoms of potassium make up 3 moles?

Description : How many atoms of potassium make up 3 moles?

Last Answer : The number of atoms is 18,066422571.10e23.

How many atoms of potassium thiocyanate?

Description : How many atoms of potassium thiocyanate?

Last Answer : What is the answer ?

Find the mass of 1.5 mole of CO2 molecule. -Chemistry 9th

Description : Find the mass of 1.5 mole of CO2 molecule. -Chemistry 9th

Last Answer : Let: n be the number of moles m be the mass M be the molecular weight n=1.5mol By definition: n=mM m=n⋅M M(C)=12g/mol M(O2)=2⋅16g/mol=32g/mol M=12g/mol+32g/mol M=44g/mol m=1.5mol⋅44g/mol m=66g

Find the mass of 1.5 mole of CO2 molecule -Chemistry 9th

Description : Find the mass of 1.5 mole of CO2 molecule -Chemistry 9th

Last Answer : Hi! Here is the answer to your question: To find the mass of 1.5 moles of CO2, you need to find first its molar mass. Atomic mass of C = 12 g/mol Atomic mass of O = 16 for O2 = (16 x 2) = 32g/mol ... number of moles x molar mass = 1.5 mol x 44 g/mol mass = 66 g Hope this Helps ! hope this helps u

What is the mass of 1/2 mole oxygen atom ?

Description : What is the mass of 1/2 mole oxygen atom ?

Last Answer : Mole Oxygen Atomic Mass = 18 grams So , 1/2 Mole Oxygen Atomic Mass = 6 grams

How is the mass of 1 mole of an element determined?

Description : How is the mass of 1 mole of an element determined?

Last Answer : It is the same as the elementâ€™s Atomic Mass, but in grams.

Atomic mass of Sulphur is 32u. The number of moles in 16 games of Sulphur is: (1) 1 mole of Sulphur (2) 0.5 moles of Sulphur (3) 0.75 moles of Sulphur (4) 0.25 moles of Sulphur

Description : Atomic mass of Sulphur is 32u. The number of moles in 16 games of Sulphur is: (1) 1 mole of Sulphur (2) 0.5 moles of Sulphur (3) 0.75 moles of Sulphur (4) 0.25 moles of Sulphur

Last Answer : (2) 0.5 moles of Sulphur Explanation: The molar mass of a com pound is equal to the sum of the atomic masses of its con stituent atoms in g/mol.

The operating line for an absorber is curved, when plotted in terms of (A) Mole fractions (B) Mole ratios (C) Partial pressure (D) Mass fractions

Description : The operating line for an absorber is curved, when plotted in terms of (A) Mole fractions (B) Mole ratios (C) Partial pressure (D) Mass fractions

Last Answer : (C) Partial pressure

Which of the following is not a unit of mass transfer co-efficient? (A) Moles transferred/ [(time) (area) (mole fraction)] (B) Moles transferred/ [(time) (area) (mass A/mass B)] (C) Moles transferred/ [(time) (area) (pressure)] (D) None of these

Description : Which of the following is not a unit of mass transfer co-efficient? (A) Moles transferred/ [(time) (area) (mole fraction)] (B) Moles transferred/ [(time) (area) (mass A/mass B)] (C) Moles transferred/ [(time) (area) (pressure)] (D) None of these

Last Answer : (D) None of these

The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp= M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force.) (A) Kc = Kp = Km (B) Kc = Kp /RT = Km . RT/P (C) Kc = Kp . RT = Km . RT/p (D) None of these

Description : The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving ... (C) Kc = Kp . RT = Km . RT/p (D) None of these

Last Answer : (C) Kc = Kp . RT = Km . RT/p

Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer coefficient based on the liquid side for dilute systems for the above was estimated to be 4 × 10 -3 kg mole/m2 .s. The equilibrium data for the system is given as y = 2x. The flux across the interface (in kg mole/m2 .s) for bulk concentrations of A in gas phase and liquid phase as y = 0.4 and x = 0.01 respectively is: (A) 5.6 × 10 -4 (B) 8.5 × 10 -4 (C) 5.6 × 10 -3 (D) 8.5 × 10 -3

Description : Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer coefficient based on the liquid side for dilute systems for the above was estimated to be 4 ... -4 (C) 5.6 10 -3 (D) 8.5 10 -3

Last Answer : (B) 8.5 × 10 -4

H2S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H2S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is (A) 2.0 (B) 1.56 (C) 1.0

Description : H2S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H2S ... by, y = 5x + 0.001 is (A) 2.0 (B) 1.56 (C) 1.0

Last Answer : (A) 2.0

Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure  (a) enthalpy  (b) volume  (c) mass  (d) entropy  (e) specific volume.

Description : Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure  (a) enthalpy  (b) volume  (c) mass  (d) entropy  (e) specific volume.

Last Answer : Answer : b

Sulphur forms the chlorides S2Cl2 and SCl2. The equivalent mass of sulphur in SCl2 is [EAMCET 1985] (A) 8 g/mole (B) 16 g/mole (C) 64.8 g/mole (D) 32 g/mole

Description : Sulphur forms the chlorides S2Cl2 and SCl2. The equivalent mass of sulphur in SCl2 is [EAMCET 1985] (A) 8 g/mole (B) 16 g/mole (C) 64.8 g/mole (D) 32 g/mole

Last Answer : (D) 32 g/mole

A block has a mass of 24 grams is 3 cm high, 4 cm long and 7 cm wide. What is the volume of this block?

Description : A block has a mass of 24 grams is 3 cm high, 4 cm long and 7 cm wide. What is the volume of this block?

Last Answer : Volume is calculated by LWH = 84. If you want Density, it is calculated by mass/volume => 24/84 =0.285 g/cm^3

What is the weight of a glider with a mass of 5.7 grams Hint: watch your units?

Description : What is the weight of a glider with a mass of 5.7 grams Hint: watch your units?

Last Answer : 0.00057

The mass of a liquid (in grams ) varies directly with its volume (in `cm^(3)`). A liquid would have a mass of 20 grams if its volume is 10 `cm^(3)`).

Description : The mass of a liquid (in grams ) varies directly with its volume (in `cm^(3)`). A liquid would have a mass of 20 grams if its volume is 10 `cm^(3)`).

Last Answer : The mass of a liquid (in grams ) varies directly with its volume (in `cm^(3)`). A liquid would have a ... in grams, if its volume is 8 ` cm^(3)`).

What is the mass in grams of 2.0 moles of co2?

Description : What is the mass in grams of 2.0 moles of co2?

Last Answer : Need answer

If scissors have a mass go 90 grams what is the mass of a stapler?

Description : If scissors have a mass go 90 grams what is the mass of a stapler?

Last Answer : Feel Free to Answer

What is the mass in grams of 0.0135 of the element sodium Na?

Description : What is the mass in grams of 0.0135 of the element sodium Na?

Last Answer : What is the answer ?

If a fork had a mass of 30 would it be grams or kilograms?

Description : If a fork had a mass of 30 would it be grams or kilograms?

Last Answer : What is the answer ?

What is the molar mass of haemocyanin and the freezing point of the solution when an aqueous solution is prepared by dissolving 1.5 grams of haemocyanin a protein obtained from crabs in 0.25 litres of?

Description : What is the molar mass of haemocyanin and the freezing point of the solution when an aqueous solution is prepared by dissolving 1.5 grams of haemocyanin a protein obtained from crabs in 0.25 litres of?

Last Answer : Haemocyanins are a group of proteins.

What is the mass of a apple kilograms or grams?

Description : What is the mass of a apple kilograms or grams?

Last Answer : Need answer

What is the mass of cantaloupe kilograms or grams?

Description : What is the mass of cantaloupe kilograms or grams?

Last Answer : Need answer

Is the mass of a chicken egg 50 kilograms or 50 grams?

Description : Is the mass of a chicken egg 50 kilograms or 50 grams?

Last Answer : 50 grams

What is the mass in grams of one-mole of potassium atoms?

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