What energy transfer is occurring when you make a call on a phone?

A. electrical to chemical

B. heat to sound

C. electrical to sound

D. chemical to light

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What is the common English unit of length?

HCI+CaCO3=CaCl2+H2O+CO2

Saul converts 2.392 hectoliters to liters. What should his new number be?

What happens to temperature when a storm occurs?

Consider the following reaction: 4NH3 (g) 7O2 (g) → 4NO2 (g) 6H2O (l) Consider an experiment in which you react ammonia and oxygen. At the end of the experiment, you find that you produced 27.0 g of water, and 8.52 g of ammonia is left over.

The universe contains billions of galaxies, each containing billions of stars. True or false

How is measuring the volume of liquids different than measuring the volume of regular-shaped solids?

Which of the following best describes the motion of the particles in a piece of steel?

Student follow up The ionic equation for the reaction between zinc and sulfuric acid is. Zn (s) + 2H (aq) - - Zn" (aq) + H2 (g) a State what has been oxidised in this reaction. Explain your answer in terms of electrons.

What kind of group 1 atoms are the most reactive? a. Small atoms c. Atoms with the most electrons in the valence level b. Large atoms d. Atoms at the top of the periodic table