There are (how many?) significant figures in the number: 8200

Perspiration is 50 percent water, 25 percent salt, and 25 percent organic materials. true or false

How do i learn marine science if your teacher don't teach it to you but give you the book but you still don't understand it.

What mass of CaSO3 must have been present initially to produce 14.5 L of SO2 gas at a temperature of 12.5°C and a pressure of 1.10 atm?

1. Which of these show a diatomic element? CO H₂ He SO₂ 2. Which of these substances is an element? Chlorine Ice Methane Sodium chloride 3. When the elements lead and bromine combine together, the name of the substance formed is called ...

Starting with the unbalanced equation for the combustion of ethanol, C2H5OH (l) + O2 (g) →CO2 (g) + ? H2O (l) what coefficient should be placed in front of H2O to balance the hydrogen atoms?

A neutral solution of a salt in water contains fewer H30 + ions than OH' ions more H3O + ions than OH ions an equal number of H30 + ions and OH' ions neither H30 + ions nor OH ions 4.

Write the chemical formula for Zn2 + and I

What salt is formed in the reaction of aluminum with hydrochloric acid? write the formular of salt

What is molarity?

H2S (g) + O2 (g) - > SO2 + H2O, how many grams of O2 are needed to make 25.0 g of SO2 (Hint: balance the equation first) a.) 12.5g b.) 18.7g c.) 32.0g d.) can't be determined