What mass of steam is required

Assignment Help Chemistry
Reference no: EM13159879

The standard molar enthalpy of vaporization for water is 40.79 kJ/mol. What mass of steam is required to release 500. kJ of energy upon condensation? (Molar mass of water is 18.02 g/mol.)

Reference no: EM13159879

Questions Cloud

Mathematical models and laboratory simulations : Some field biologists claim that mathematical models and laboratory simulations can never capture the complexity and variability of the real world. Experimental scientists retort that complex models and simulations have many simultaneous variables..
Average cost per unit for fixed manufacturing overhead : Assume that the company produced the equivalent of 11,700 units of product during the year just completed. What was the average cost per unit for direct materials? What was the average cost per unit for fixed manufacturing overhead?
Analyze the forms of aid to developing nations : Analyze the forms of aid to developing nations and determine which have the greatest and least amount of impact on a country during a natural disaster.
Extent of the natural ecosystem : Ecosystems are often defined as a matter of convenience, because we can't study everything at once. How would you describe the character and extent of the natural ecosystem in which you live? What characteristics make your ecosystem an open system..
What mass of steam is required : The standard molar enthalpy of vaporization for water is 40.79 kJ/mol. What mass of steam is required to release 500. kJ of energy upon condensation? (Molar mass of water is 18.02 g/mol.)
Explain the implications of those classifications on tax : Explain the implications of those classifications on tax revenue collections when the per-unit tax increases as opposed to decreases.
What forecast would you make for the merged firms : What forecast would you make for the merged firms' profits and what explanation might there be for such a strategy? After the merger, what prediction would you make about advertising rates?
Define natural selection : Define natural selection. Whycan't natural selection be described as a "force" or working "for" something?
Compute the cost of goods sold and ending inventory : Compute the cost of goods sold and ending inventory, assume (1) is LIFO, LIFO cost flow (2) LIFO cost flow. And (3) weighted average.

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the energy (in kj) of a photon

calculate the energy (in kJ) of a photon which has a wavelength of a mircowave with a wavelength of 2.84 cm

  How many grams of the solid can be formed

How many grams of the solid can be formed from 268 g of calcium nitrate and 115 g of phosphoric acid?

  What is the concentration of the resulting solution

if .025 grams of Pb(NO3)2 is dissolved in 100. grams of H2O, what is the concentration of the resulting solution in parts per million?

  Compute concentrations of oh and the ph

Calculate concentrations of OH- and the pH of each basic solution. Since NaOH donates on OH- ion for each NaOH molecule, the OH- concentration is equivalent to the NaOH molarity. The pOH is calculated as -log[OH-] and the pH is calculated as 14-pO..

  Find the activation energy for this sterilisation process

milk is pasteurised when heated to 63 C for 30 minutes, but if it is heated to 74 C it takes only 15 seconds for the same result. Find the activation energy for this sterilisation process

  Supposing that all ionic species are completely dissociated

A 25.72 mL sample of a 0.200 M solution of barium nitrate is mixed with 11.19 mL of a 0.250 M solution of potassium sulfate. Assuming that all ionic species are completely dissociated

  Calculate the pressure when the can is heated

An aerosol can has a gas pressure of 133 kPa at 293 K. Calculate the pressure when the can is heated to 460 K.

  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

  Calculate the volume of the gas

A gas occupies a volume of 1.0 L at a temperature of 27°C and 500 torr pressure. calculate the volume of the gas if the temperature is changed to 60°C and the pressure to 700 torr

  Compute the pressure of hydrogen gas

What volume of 0.200M Hydrochloric acid must combined to 250mL of 0.300M C8H7NaO3 to produce a buffer of solution with a pH of 3.37?

  How much heat flows into the water

600 mL of water is heated from 20c to 85 c to make a cup of tea. How much heat flows into the water? NOTE: density and specific heat capacity of water 1.00g/mL and 4.18J/(g.c) respectively.

  Compute the percent of sodium carbonate in sample

Compute the % sodium carbonate (MM = 105.99 g/mol) in this sample.

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