Compute the number of moles containing

Assignment Help Chemistry
Reference no: EM13312582

Calculate the number of moles containing each of the following. Express your answer to three significant figures and include the appropriate units. A.) 1.42×1022 atoms of sodium, {\rm Na} . B.)3.23×1023 molecules of dinitrogen trioxide, {\rm N}_{2}{\rm O}_{3} C.) 7.59×1024 formula units of sodium nitrite, {\rm NaNO}_{2} .

Reference no: EM13312582

Questions Cloud

Case study on auditing and assurance : CASE STUDY ON AUDITING AND ASSURANCE
Calculate your average speed for the entire trip : You are to drive to an interview in another town, at a distance of 200 km along a straight road from your home.The interview is at 9:15 A.M. Calculate your average speed for the entire trip
Define the mass of an electron : The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10..
Find the magnitude of the net magnetic force on the wire : A wire 28.0 cm long lies along the z-axis and carries a current of 8.50 A in the +z-direction. find the magnitude of the net magnetic force on the wire
Compute the number of moles containing : Calculate the number of moles containing each of the following. Express your answer to three significant figures and include the appropriate units. A.) 1.42×1022 atoms of sodium
How long is the stone in the air : A stone is thrown outward from the top of a 59.4m high cliff with an upward velocity component of 19.5 m/s. How long is the stone in the air
Determine what were the size of the deposits : Uniform deposits were made on January 1 of 1991, 1992, 1993, and 1994 into a fund intended to provide $1000 on January 1 of 2005, 2006, and 2007. What were the size of these deposits
Compute the activity and activity coefficient : A chloroform-ethanol solution at 35 oC with ?ethanol=0.200 in the liquid phase has a vapor pressure of 304.2 torr and a vapor composition of Yethanol= 0.138. Calculate the activity and activity coefficient for ethanol in this solution
With what speed was it thrown : A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45 degrees. With what speed was it thrown

Reviews

Write a Review

Chemistry Questions & Answers

  According to raoults law which statement is false

According to Raoult's law, which statement is false?

  State what mass of naoh could this buffer neutralize

What mass of NaOH could this buffer neutralize before the pH rises above 4?

  Compute the maximum glucose-in or glucose-out ratio

Calculate the maximum [glucose]in/[glucose]out ratio that can be achieved by the plasma membrane Na+- Glucose antiporter of an epithelial cell when the concentration of Na+ inside the cell is 7mM

  How many liters of water can be made

how many Liters of water can be made from 34 grams of oxygen gas and 6 grams of hydrogen gas at STP? what is the limiting reactant for this reaction?

  Compare the amount of cooling experienced by an individual

Compare the amount of cooling experienced by an individual who drinks 400mL of water (0 degrees C) with the amount of cooling experienced by an individual who sweats out 400 mL of water at 37 degrees Celsius. Assume all sweat evaporates.

  Explain mix dichloromethane and water together

The density of water is 1.00 g/ml, the density of dichloromethane is 1.32 g/ml. If you mix dichloromethane and water together, which layer will be on top and which layer will be on the bottom

  Explain what is the ideal concentration range of glycerol

Fish produce glycerol to survive the freezing waters of the Arctic. Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol requi..

  Explain molar mass from volumetric data

Molar mass from volumetric data, 2.64g of an organic base, isolated from a shrub in the mountains of Peru was dissolved in 100mL of water. 25.0mL of this solution required 27.5mL of 0.250mL HCL for complete neutralization

  What is the mass in grams of na2s2o3 needed

Sodium thisulfate, Na2S2O3, is used as a fixer when developing photographic film. What is the mass in grams of Na2S2O3 needed to make 100ml of a 0.25 solution?

  What is the new gas pressure

A 12.0g- sample of a gas has a volume of 5.25g at 28 celcius and 757mmHg If 2.7g of the same gas is added to this constant 5.25L- volume and the temperature raised to 64 celsius, what is the new gas pressure?

  State unimolecular or bimolecular and determine the rate law

For the elementary processes whose equations are given below, determine whether each is unimolecular or bimolecular and determine the rate law for each process. Pick the choice which is correct.

  Explain polar characters are frenkel and schottky defects

Under what circumstances with regards to degrees of no polar characters are frenkel and schottky defects likely?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd