What is the empirical formula for a compound if a sample contains 3.72g of P and 21.28g of Cl?

What does it mean to say that momentum is conserved?

This is the chemical formula for iron (II) hydroxide: Fe (OH) 2 - Calculate the mass percent of hydrogen in iron (II) hydroxide. Round your answer to the nearest percentage.

I have to obtain an empirical formula from: Carbon = 1.5 Hydrogen = 3 Oxygen = 1 So since the carbon isn't a whole number then I would multiply each number by an integer so that the results are all whole numbers ... So if I multiply by 2 then ...

What is humus in soil composed of? Weathered rocks Worms Chick peas Decayed organic remains

Oxalic acid reacts with sodium hydroxide according to the following equation: H2C2O4 + 2 NaOH → Na2C20. + 2 H20 A 25.00 mL sample of the H2C2O solution required 19.62 mL of 0.341 M NaOH for neutralization. Calculate the molarity of the acid.

Zn (s) + 2HCl (aq) → ZnCl2 (aq) + H2 (g) When combining zinc metal with hydrochloric acid, you notice that you run out of zinc and still have plenty of hydrochloric acid to continue the reaction. What is the term used to describe the zinc?

Engineers increase output in crop production by combining the strengths of two plants. This can be done by using one plant to pollinate a different plant so that their strengths are combined into a new plant. What is this technique called?

Using the first volume and temperature reading on the table as V1 and T1, solve for the unknown values in the table below. Remember to use the rules of significant figures when entering your numeric response. A: B: C: D: A 2-column table with 5 rows.

Which scientist performed the cathode ray experiment leading to the discovery of electrons

Why does the temperature remain constant during melting till all the ice has melted?