Hao

Which of the following is not suitable for testing the presence of an acid? A) adding aqueous potassium carbonate. B) adding aqueous potassium hydroxide. C) adding Universal Indicator. D) adding zinc powder. Personally, I feel that all of them are suitabl...

Is boron trichloride a Giant covalent or Simple molecular substance?

How to perform an experiment to distinguish between zinc(II) hydroxide and magnesium hydroxide?

In hydrated copper sulfate, the chemical formula is CuSO4.5H2O, while that of hydrated cobalt(II) chloride is CoCl2.6H2O. I want to ask how to determine the number of moles of water is needed to hydrate any salt. Is there a pattern or formula?

A 10m height cylinder with cross sectional area of 0.1 m2 has a massless piston at the bottom as shown in Figure Q2. Water is at the top of the piston with air at 20oC over it. Under the piston there is air at 300K. The volume of the air is 0.3m3. Heat is...

Water is flowing into a trough at a rate of 100 cubic centimeters per second. The trough has a length of 3 meters and cross sections in the form of a trapezoid, whose height is 50 cm, whose lower base is 25 cm and whose upper base is 1 meter. At what rate...

Cracking is a random process. The alkane C14H30 might split in a variety of different ways. Write equations for the cracking of C14H30 which lead to the formation of a) 1 molecule of ethene, 1 molecule of propene and another hydrocarbon; b) 3 molecules of...

I keep getting 122500 as an answer and my online homework keeps saying that it's wrong. I've tried other ways but it's still incorrect