A 35.0-9 piece of copper wire is heated, and the temperature of the wire changes from 29.0°C to 76.0 degrees * C. The amount of heat absorbed is 243 cal. What is the specific heat of copper?

What is a common use of bases? as a component of vinegar as a component of car batteries to make foods tart to reduce indigestion

A 4.52 l sample of nitrogen gas at a temperature of - 25°c has a pressure of 723 mm hg. what will be the volume of this sample at 125°c and 1.30 atm pressure?

What does the theory of plate tectonics say about the Earth's surface

Which of the following is not a rock? a. granite b. shale c. marble d. diamond

How do you separate oil and vinegar?

Which ionic compound is the most likely to dissolve in water? CaSO4 Na2SO4 BaSO4 SrSO4

Calcium (atomic number 20) has electron configuration 1s2,2s2,2p6,3s2,3p6,4s2. The atomic number of scandium is 21. Which orbital does the 21st electron enter? a. 3d b. 4p c. 4d d. 4f

In these solutions, identify the solute and the solvent Sea water, a solution composed of a variety of salts dissolved in water. The salt is the Soda water, a solution composed of carbon dioxide gas dissolved in water.

What is an Element and how it different from a Atom?

4 HCI + O2 - > 2 H2O + 2 CH2 How many moles of H2O can be produced from 30. moles of HCI?