Ethylene C2H2 reacts with Oxygen according to the equation below. what volume of Oxygen (in dm3) reacts with 0.40 dm3 of C2H2?

2C2H2 (g) 5O2 (g) → 4 CO2 (g) 2H2O (g) ? (1) 0.4 (3) 0.80 (2) 1.0 (4) 2.0

What are two foods that have acid in them

Why is buckminsterfullerene an allotrope of carbon

Rank the size of a change in temperature of one degree Fahrenheit, one degree Celsius, and one kelvin.

How much lead (ii) iodate, pb (io3) 2 (molar mass = 557.0 g/mol), is precipitated when 3.20  102 ml of 0.285 m pb (no3) 2 (aq) are mixed with 386 ml of 0.512 m naio3 (aq) solution? pb (no3) 2 (aq) + naio3 (aq)  pb (io3) 2 (s) + nano3 (aq) ?

2. The scientific method is like a razor that seperates what?

What is the total pressure in a 6.00-l flask which contains 0.127 mol of h2 (g) and 0.288 mol of n2 (g) at 20.0°c?

Convert 0.023 kg to centigran

Why has the canals in Venice Italy cleared up during this time?

What mass of potassium would react with excess chlorine to produce 156 grams of potassium chloride

How many atoms of He are in 5.69 grams? O 3.70 x 10 23 O 3.7x10 23 O 8.57 x 10 23 O 8,6 X 10 23