What's the ph of a 6.7*10^-5 m H + solution

When comparing two solutions with the same volume, you may say that one is dilute and the other is concentrated. What does this mean?

If 100 g of a substance reacts with 70 g of another substance, what will be the mass of the products after the reaction?

A 500 mL sample of 0.5 M NaOH at 20 C is mixed with an equal volume of 0.5 M HCl at the same temperature in a calorimeter. The temperature rises to 23.21 C. Calculate the heat of the reaction. ( - 53.72 kJ/mol)

What group of plants produce fruit

How many places are there for electrons in the third shell of an atom? A. 2 B. 4 C. 8 D. 12

How do I write a balanced half-reaction describing the reduction of gaseous dioxygen to aqueous oxide anions?

When table salt is placed in water and stirred it dissolves and a clear liquid is obtained. This process is a

Carbonic acid is generated by bubbling co2 into a beaker of water. If it took 5 minutes for this reaction to reach equilibrium, how would the results differ if the enzyme carbonic anhydrase was added to the beaker of water?

Part a which element can expand its valence shell to accommodate more than eight electrons? which element can expand its valence shell to accommodate more than eight electrons? he h f b s

What are some reasons why the research should be put through a peer-review process?