Calculate the amount of heat needed to convert

Assignment Help Chemistry
Reference no: EM13167485

Calculate the amount of heat needed to convert 96 g of ice at -24C to water at 28C. The specific heat capacity of H2O(s) is 2.1J/g*C.

Reference no: EM13167485

Questions Cloud

Define methyl salicylate is an ester : Methyl salicylate is an ester and can be prepared from salicylic acid and methyl alcohol by the same method
How many grams of agno3 must be added : How many grams of AgNO3 must be added to 83.0 g of water to make a 2.62 m aqueous solution of AgNO3.
Find the mass of one mole of spilt pea using the mass : how do you find the mass of one mole of spilt pea using the mass of .069 nd Avoadro's number (6.02x1023rd).
Chlorate crystals decompose to potassium chloride crystals : When 2 mol of Potassium Chlorate crystals decompose to Potassium Chloride crystals and Oxygen gas at a constant temperature and pressure
Calculate the amount of heat needed to convert : Calculate the amount of heat needed to convert 96 g of ice at -24C to water at 28C. The specific heat capacity of H2O(s) is 2.1J/g*C.
Sodium hydroxide and calculate the ph : When 50.0 mL of 0.50 M formic acid is titrated with 0.50 M sodium hydroxide, calculate the pH for each of the following: Ka of formic acid = 1.8 x 10^-4 Be sure to account for volume changes at each step.
Which compound will be eluted first : A mixture of p-nitroaniline and o-nitroaniline is separated by column chromatography. which compound will be eluted first? Give reason.
Calculate the velocity of the electron emitted : If copper has a photoelectric threshold wavelength of 279 nm, calculate the velocity (m/s) of the electron emitted when copper is illuminated with light with a frequency of 2.33 × 1015 Hz. Express answer in scientific notation.
Explain when energy demand exceeds the output : One method used to store energy during times of low demand is by pumping water uphill into a reservoir. When energy demand exceeds the output produced by power plants

Reviews

Write a Review

Chemistry Questions & Answers

  Define the possibility of stereoisomers exists

Define the possibility of stereoisomers exists, However, the addition of bromine to an equimolar mixture of cis- and trans-2-butene generates only three stereoisomers. Explain.

  What is the basis for distillation techniques

What is the basis for distillation techniques used to separate two or more components and If so, this would give me the four apparatus requested.

  Calculate the molecular formula of the hydrate

a hydrate of calcuim chloride contains 49.3% water and has a formula weight of 219g/mol calculate the molecular formula of the hydrate

  Determine the energy of an electro

Determine the energy of an electron in the given quantum level of each of the following ions. (Hint: Each of the ions has a different number of protons

  What is the molar mass of the gas

A 0.894-g sample of gas occupies 125 mL at 60. cm of Hg and 25C. What is the molar mass of the gas.

  What was the final volume of water on the buret

A volume of water was delivered using a buret and experimentally determined to have a mass of 2.00-g. What was the final volume of water on the buret if the inital was 0.44-mL? [assume the density of water is 1.00g/mL]

  Explain entropy change in the system is positive

Predict whether the entropy change in the system is positive, negative or close to zero for each of the following processes

  What is the ph of the buffer

What is the pH of the buffer that results when 11 g of NaCH3CO2 is mixed with 85 mL of 1.0 M CH3CO2H and diluted with water to 1.0 L? (Ka of CH3CO2H = 1.8 ´ 10-5)

  Calculate the molar mass of a nonelectrolyte

Calculate the molar mass of a nonelectrolyte that lowers the freezing point of 25.00 g of water to 3.9°C when 4.27 g of the substance is dissolved in the water.

  Find molecular mass by freezing point depression

Molecular Mass by Freezing point Depression (Preliminary Lab).

  How many grams of p_32 will remain after 98.0 days

Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of Phosphorus-32 , how many grams of P-32  will remain after 98.0 days?

  Determine the molecular formula of a compound

Determine the molecular formula of a compound which has a empirical formula of CH3 and a molar mass of 60.0 g/mol.

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