Does lithium lose or gain electrons

Describe one technology used to travel to space and one technology used to return from space

Consider the balanced equation below. 4NH3 + 302 → 2N2 + 6H20 What is the mole ratio of NH3 to N2? A) 2:4 B) 4:2 C) 4:4 D) 7:2

Use standard enthalpies of formation to determine ΔHorxn for: 2C2H2 (g) + 5O2 (g) → 4CO2 (g) + 2H2O (l)

What happens in the distillation flask and condenser during distillation.

You are most likely to find a fossil in which of the following? a. grass. b. stone. c. desert sand. d. sedimentary rock.

Where is the energy in a glucose molecule stored

In this reaction: Mg (s) + I₂ (s) → MgI₂ (s) If 2.34 moles of Mg react with 3.56 moles of I₂, and 1.76 moles of MgI₂ form, what is the percent yield?

Using the Acceleration Equation Try it A cyclist going downhill is accelerating at 1.2 m/s2. If the final velocity of the cyclist is 16 m/s is the cyclist's initial velocity? o oo 0 4 m/s O 12 m/s O 18 m/s O 20 m/s

Why is fusion not used to generate electrical power?

Some constellations, such ad Ursa Minor, are visible in the sky year-round; other contellations appear for only part of the year. explain why this happens.