How thick is the outer core

What is an example of turning chemical energy into light energy?

An atom is made of 16 protons, 17 neutrons, and 18 electrons. What is the mass number of this atom?

What is the main cause of earthquakes?

Which of these substances has a formula incorporating a triple bond? 1. H2O 2. NH3 3. HOF 4. C2Cl4 5. C2F4 6. H2CO 7. HOI 8. H2S 9. H2Se 10. C2H2

What happens if you break a magnet in half? a) Each half will be a new magnet, with both a north and south pole. b) One half will have a north pole only and one half will have a south pole only. c) Neither half will have a pole.

How does the shape of the Earth affect the climate of different regions?

What is Delta. Gsystem for the system that is described by the following data? Delta. Hsystem = - 345 kJ, T = 293 K, Delta. Ssystem = 465 J/K Delta. Gsystem = Delta. Hsystem - TDelta. Ssystem - 481 kJ - 209 kJ 413 kJ 135,900 kJ

Calculate ΔGrxn for this equation, rounding your answer to the nearest whole number. CaCO3 (s) → CaO (s) + CO2 (g) ΔGf, CaCO3 = - 1,128.76 kJ/mol ΔGf, CaO = - 604.17 kJ/mol ΔGf, CO2 = - 394.4 kJ/mol

Using two spring scales, students pull on opposite sides of a dynamic cart at rest. 5 Newtons of force is pulling left and 5 newtons force is pulling right. Describe the motion of the cart? A) The cart will move to the right.

If a mineral has a metallic shine to it, which property of a mineral is being measured