Qual é a diferença entre um a corrente elétrica e a diferença potencial elétrica?

All of the following are examples of electrolytic solutions, except __. A) Ocean water B) Pure water C) Strong hydrochloric acid D) potassium chloride solution

Write forty-five seven hundredth in standard form

What does the atomic number of an element specify? what does the atomic number of an element specify?

What units do chemists normally use for the density of liquids and solids? For the density of gas? Explain the differences.

A 1.00 l solution contains 3.50*10-4 m cu (no3) 2 and 1.75*10-3 m ethylenediamine (en). the kf for cu (en) 22 + is 1.00*1020. what is the concentration of cu2 + (aq) in the solution?

Mizar is a star system that is composed of two pairs of stars, mizar A and mizar B, or four stars in total. What do astronomers call a system that is composed of more than two starts?

A 25.00 g solid sample of Ca (OH) 2 was added into 1250 mL of 0.400 M HCl aqueous solution. The temperature of the solution was decreased from 36.6oC to 20.0oC. Assuming Ccal of the reaction is 5.225 kJ/oC, how much heat is involved in the reaction?

Why isn't a largest predator just at the top of a food web?

What is the electrical charge of a cation? A. zero B. positive C. negative

You measure the mass of a model car to be 230 grams. The actual mass is 218 grams. what is your percent error