Christen H.

Calculate the wavelength and the energy in joules associated with a signal at 220 MHz.

A Haber process reactor contains 25.0% nitrogen and 75.0% hydrogen for the synthesis of ammonia. What is the mass of nitrogen (in kg) in 1.00 cubic meter of this reaction mixture at 205 atm and 425... more

What would be the final size of the balloon if it was originally 4.0 L at 10°C it the temperature is -20°C?

I am not sure how to solve a question like this.

Hello... 👋🏿 We said that we have simply 20 amino acid that use to synthesis protein in living organism, and act like a letter that combine to each other an form diffrent words( protein) , but how... more

How many moles of NaOH are contained in 68.5 mL of a 2.10 M solution of NaOH in H2O?__ mol

 Isopropyl alcohol, sold as rubbing alcohol, is composed of C, H, and O. Combustion of 0.255 g of isopropyl alcohol produces 0.561 g of CO2 and 0.306 g of H2O. Determine the empirical formula of... more

Combining 0.281 mol Fe2O3 with excess carbon produced 14.2 g Fe.Fe2O3+3C⟶2Fe+3COWhat is the actual yield of iron in moles?actual yield:____?____molWhat is the theoretical yield of iron... more

The Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many modern chemical processes. In the first step of the Ostwald process, ammonia is reacted with oxygen... more