A mixture is made of two or more materials that A. Can only be separated by chemical means. B. Cannot be separated by any means. C. Cannot be separated by physical means. D. Can be separated by physical means.

According to the particle theory of matter, what is the difference between ice and water? a. ice is a solid, and water is a liquid. b. water is an element, and ice is a compound. c. the molecules in water have more energy than the molecules in ice.

What is the nitrogen cycle? What parts do plants play in it?

Which half reaction can occur at the anode in a voltaic cell

What is the volume of 34 grams of carbon dioxide at stp

What is the chemical name of burning

A) Write the formula of the conjugate base for acid HF. b) Write the name of the conjugate base found in part A.

What is the general term for a compound not containing the element carbon?

determine the specific heat of a material if a 35g sample absorbed 96 J as it was heated from 293 K to 313 K?

A compound that changes color when it comes into contact with an acid or base is an?

1. A food sample is burned in a calorimeter that contains 2000. g of water. The temperature increases from 22.0°C to 44.3 °C. How many Calories does the food sample contain, assuming all of the energy from the food was transferred into the water?