Give the formula

%error = theoretical value - experimental value / theoretical value * 100

calculate the percent error for the experiment.

Write a procedure for testing the thermal conductivities of 1 inch by 1 inch squares of aluminum and copper.

What is the result of (6.2x10^4) x (3.3 x 10^2) expressed in scientific notation?

A demonstration of pressure could be done best with which of the following? A. a plastic and a pump B. ice in a glass and a thermometer C. a ping pong ball and a cold cupof water D. a wooden box with holes

What makes a hypothesis testable

What is the correct chronological order of scientists contributing to the modern periodic table?

How many moles of oxygen are required to fully react with 100 kg of lead sulfide?

Predict the electronegativity of the yet undiscovered element with Z = 119.

3.15 g of an unknown gas at 35 °C and 1.10 atm is stored in a 1.85-L flask. What is the density of the gas? what is the molar mass of the gas?

Suppose the diver at the top of a 9 m high platform has a mass of 50.0 kg. Calculate her potential energy relative to the ground. Answer in Joules.

A typical hydrogen peroxide solution from a drug store is labeled as 3.0% hydrogen peroxide. what is the other 97% of this solution?