A a black metal measures 2 cm x 3 cm x 2.5 cm if it's much is 67.5 grams calculate its density

Which temperature would be more comfortable for most people 80°Fahrenheit or 80°Celsius

1. Approximately how long are fossil fuels going to last?

Why would a scientist make a new Hypotheses after all this work?

The theoretical yield for CuCO3. Cu (OH) 2+2h2SO4 ®2CuSO4+2H2O+3CO2

Which of the following is an example of chemical energy being released or stored? A. The wind blows a kite through the sky. B. The water in a river moves small rocks and sticks. C. A coal power plant releases energy when coal burns. D.

Determine the relative formula mass of glucose (C6H12O6) using the periodic table below. A. 29.1 g/mol B. 24.0 g/mol C. 15.0 g/mol D. 180.1 g/mol

How many moles of potassium chloride are in 28 grams of KCl? A.).265 mole KCl B.).856 mole KCl C.).376 mole of KCl (think it's this but idk) D.) 1.2 mole KCl

An unknown liquid has a pH lower than 7, conducts electricity poorly, and tastes sour, what kind of solution is the unknown?

Five beans have a mass of 2.1 g. How many beans are in 0.454 kg of beans.

As the temperature of a liquid goes up, the average speed of its particles. This means that the kinetic energy of the particles