Calculate the heat released (in kilojoules) by metal

Assignment Help Chemistry

Reference no: EM13158677

An iron bar of mass 781 g cools from 94°C to 5°C. Calculate the heat released (in kilojoules) by metal.

Reference no: EM13158677

Questions Cloud

Indicate the limit of antibacterial agent diffussion : does the zone of inhibition's edge indicate the limit of antibacterial agent diffussion into the agar? Give reasons or evidence to support your answer.

Propose a physical meaning to the term n : V is the volume, and n is a number that can be 1, 2, 3, ... . Assume that A=1. Determine the work done by the piston. Propose a physical meaning to the term "n" in the above equation.

Compare and contrast how job satisfaction : Compare and contrast how job satisfaction differs and is similar between public and private jobs. Provide examples on how a public leader could increase job satisfaction among public employees.

Debited cost of goods sold : Sanger Corporation debited Cost of Goods Sold and credited Manufacturing Overhead at year-end. On the basis of this information, one can conclude that:

Calculate the heat released (in kilojoules) by metal : An iron bar of mass 781 g cools from 94°C to 5°C. Calculate the heat released (in kilojoules) by metal.

Gender differences of motivation : Analyze and evaluate gender differences of motivation. Compare and contrast 2 or 3 motivational theories needed to promote a balance between men and women in the public sector.

What are the initial genotypic frequencies : In rumbunnies, sober is an autosomal recessive gene in which the rumbunnies are unable to utilize alcohol. Mating success in rumbunnies is a function of alcohol consumption so that sober individuals have only 75% as many offspring as normal rumbun..

How many grams of nh3 can be produced : A 4.07 L sample of H2O(g) reacts at a temperature of 375°C and a pressure of 679 mm Hg. How many grams of NH3 can be produced?

What are the relative fitnesses of the three genotypes : An ethology graduate discovers a very unusual colony of sea gulls. Chicks that are homozygous for the dominant trait Bravado like to tease foxes and 30% of them get eaten.

User Account

All Pages