The table below gives air temperature data over land and over the sea for six successive hours labeled A through F. What weather event is occurring around time D?

Twenty-four grams of magnesium metal reacts with sixteen grams of oxygen gas to form magnesium oxide. According to the law of conservation of mass, how much magnesium oxide will there be after the chemical change is complete? never mind i got it

Which of the following most affects the placement of an element in the periodic table? A. the element's importance to human life B. the amount of the element on Earth C. the properties of the element D. the order in which the element was discovered

1) Aluminum sulphate can be made by the following reaction: 2AlCl3 (aq) + 3H2SO4 (aq) Al2 (SO4) 3 (aq) + 6 HCl (aq) It is quite soluble in water, so to isolate it the solution has to be evpourated to dryness.

Use the reaction: 2 C4H10 (g) + 13 O2 (g) → 8 CO2 (g) + 10 H2O (g) + 5720 kJ. In the reaction, 200.0g of hydrocarbon react with excess oxygen gas. How much energy is released?

What is the molarity of 10.0 g of kcl in 0.500 l of solution

Watch the animation, then check off the samples that will conduct electricity. Check all that apply. View Available Hint (s) Check all that apply. NaCl solution Solid NaCl Solid sugar Sugar solution

Burning wood represents a chemical change. True or False?

Why are phosphates in laundry detergent

What is the name of the scientist who discovered the electron

Which of these is not a covalent molecule? 1. F2 2. CO 3. LiF 4. NH3