Sunday
April 19, 2015

Homework Help: Chemistry

Posted by jake on Tuesday, October 23, 2007 at 3:34pm.

Zinc is often used to calibrate calorimeters because it undergoes a very sharp phase transition from the solid to the liquid at 419.5C. Calculate the enthalpy change when 5 g of zinc metal is heated from 100C to the point where the entire sample is melted. (The heat of fusion for zinc is 112.4 J/g and its specific heat capacity is 0.388 J/gC.)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

CHEM. - Zinc is often used to calibrate calorimeters because it undergoes a ...
intro chem HELp please - 1. Zinc is often used to calibrate calorimeters because...
Chemistry - 3.25g of zinc was added to 50cm^3 of a 4.0 molar dm^-3 HCl. When the...
Chemistry - ZN(s) + 2H+(aq) produces ZN2+(aq) +H2(g) A sample of Zinc is placed ...
chem - Copper sulfate is a blue solid that is used as an algicide. Solutions of ...
Chemistry - Zinc has three major and two minor isotopes. For this problem, ...
chemistry - Zinc dissolves in acid according to the balanced equation. Zn(s)+ 2H...
chemistry - When zinc metal is reacted with hydrochloric acid, zinc chloride and...
chemistry - Exactly .203g of zinc metal is dissolved in dilute HCl(aq) in an ...
Chemistry - Zinc dissolves in acid according to the balanced reaction: Zn(s) + ...

Members