Explain what is the mass in grams of atoms

Assignment Help Chemistry
Reference no: EM13497270

(a) Graphite is the crystalline form of carbon used in lead pencils. How many moles of carbon are there in 295 mg of graphite?
Mol?

(b) Manganese (Mn) is a transition element essential for the growth of bones. What is the mass in grams of 1.93 multiplied by 1021 Mn atoms, the number found in 6.00 kg of bone.

Reference no: EM13497270

Questions Cloud

What force do you have to exert to achieve the same torque : To tighten a bolt, you push with a force of 78 N at the end of a wrench handle that is 0.27 m from the axis of the bolt. what force do you have to exert to achieve the same torque
Use the spherical mirror equation to find the image distance : You will begin with a relatively standard calculation. Consider a concave spherical mirror with a radius of curvature equal to 60.0 centimeters. use the spherical mirror equation to find the image distance
Prepare goodwill and its importance in balance sheet : A company is preparing to go public with an initial stock offering. Why is it very important that its balance sheetincludes a credible value for ‘goodwill'?
Compute the image distance of the truck : The outside mirror on the passenger side of a car is convex and has a focal length of -7.7 m. Find the image distance of the truck
Explain what is the mass in grams of atoms : Manganese (Mn) is a transition element essential for the growth of bones. What is the mass in grams of 1.93 multiplied by 1021 Mn atoms, the number found in 6.00 kg of bone.
Ratios required gearing- gearing and liquidity : Prepare financial ratios for Rolls Royce plc and Costainplc for 2010 &2011 which will enable the financial position and performance of the companies in 2011 to be measured. Ratios required Gearing: Gearing and Liquidity: Current, Acid Test
At what rate is the velocity changing : an icy planet at some mass M and radius R is spinning at some velocity W the ice melts into space at the constant rate of K (masses/sec), at what rate is the velocity changing
Explain what are the names of m and ms : An unknown metal M reacts with sulfur to form a compound with the formula MS. If 4.37 g of M reacts with 2.51 g of S, what are the names of M and MS. (Type your answer using the format iron(II) sulfide for FeS.)
Explain the so2 produced in copper recovery reacts : The SO2 produced in copper recovery reacts in air with oxygen and forms sulfur trioxide. This gas, in turn, reacts with water to form a sulfuric acid solution that falls as rain or snow. Write a balanced overall reaction

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what molecule does most probable speed

What molecule does most probable speed of 393m/s at 25*C? Also calculate the mean speed

  Explain the molar concentration numerically

Suppose that a fully charged lead-acid battery contains 1.50L of 5.00M H2SO4. What will be the concentration of H2SO4 in the battery after 2.30A of current is drawn from the battery for 9.50 hours? Express the molar concentration numerically

  Calculate the amount of heat liberated (in kj)

Calculate the amount of heat liberated (in kJ) from 383 g of mercury when it cools from 61.0°C to 11.0°C.

  Calculate delta h for the formation of agcl

When solutions containing silver and chloride ions are mixed, silver chloride precipitates: Ag+ (aq) plus Cl- (aq) ---> AgCl(s)

  Magnesium and zinc were dissolved in diluted sulfuric acid

Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq) + H2 (g) When 5.00 g of a mixture of powdered magnesium and zinc were dissolved in diluted sulfuri..

  How much co2 will be produced by the reaction

For the reaction 2C6H6 + 15O2 → 3CO2 + 6H2O 30 grams of C6H6 are allowed to react with 79.09 grams of O2.

  Explain derive the ph henderson hasselback equation

Consider a mixture of salt NaA and weak acid HA. Please derive the pH Henderson Hasselback equation by writing the equilibrium expression. Define the pKa

  What mass of ki would have been produced

138g of K and 448g of I react completely to form KI. What mass of KI would have been produced if 138g of potassium and 41g of iodine has been used?

  State the equilibrium concentrations in a solution of ac5

Determine the formation constant, Kf, of AC5. Kf=? The solubility of AB(s) in a 1.000-M solution of C(aq) is found to be 0.152 M. What is the Ksp of AB? Ksp=?

  Consider the following reaction equlibrium concentrations

consider the following reaction equlibrium concentrations and equilibrium constant at a particular temperature.

  Explain given a box containing at equilibrium

You are given a box containing at equilibrium at 1000 K 0.102 moles/liter NH3, 1.03 moles/liter N2, and 1.63 moles/liter H2 for the reaction N2(g)+3H2(g)=2NH3(g). Calculate Kp

  Volume or temperature

A 9.20-L container holds a mixture of two gases at 47 °C. The partial pressures of gas A and gas B, respectively, are 0.315 atm and 0.803 atm. If 0.180 mol of a third gas is added with no change in volume or temperature, what will the total pr..

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