If the pressure of gas is 50.65kpa, what is the pressure in atm?

How many grams of (nh4) 3po4 are needed to make 0.250 l of 0.150 m (nh4) 3po4? hints how many grams of (nh4) 3po4 are needed to make 0.250 l of 0.150 m (nh4) 3po4? 5.47 g 5.59 g 89.5 g 2.52 x 10-4 g?

In general, the higher the charge on the ions in an ionic compound, the more favorable is the lattice energy.

A scientist collects a core sample from 60 km deep in Earth. Which characteristic will she most likely observe in this sample? a. The sample has high iron content. b. The sample is very hot and liquefied. c. The sample mainly consists of granite. d.

If you needed to make ultrapure silver from crude silver, where would you collect the pure silver metal in an electrolytic cell? A. cathode B. anode C. connecting wires D. power source

Out of butter and groundnut oil which is unsaturated in nature

What does ice cream melt on a hot day which type of thermal energy transfer does this melting represents

For which purpose do biochemists insert human genes into bacteria? to find a cure for the common cold to produce insulin for diabetics to kill resistant strains of bacteria to evolve certain species of bacteria

Cracks in rocks chemical or mechanical

A large boulder falls from an underwater ledge and crashes on the floor of the ocean. A pod of dolphins is 800 meters away. Determine how long it takes for the sound of the crash to reach the dolphins. A) 0.5 sec B) 0.3 sec C) 2.3 sec D) 1.9 sec

Given 4.80g of ammonium carbonate, find: Number of moles of the compound Number of moles of ammonium ions Number of moles of carbonate ions Number of moles of hydrogen atoms Number of hydrogen atoms