What is the pH of a solution with [н'] = 7.0 x 107?

А. 6.15

В. б. 15

с. 7.00

D. 8.45

What is Wesley Harris, the writer of this account, trying to escape

The diagram represents the general equation for photosynthesis. What does the X represent? hydrogen oxygen glucose carbon dioxide

What is the 250 green numbers on the side

What are most lipids made up of?

Explain how you think scientists know (think they know) about the inner Earth?

What conclusion can be drawn from the statement that an element has low electron affinity, low electronegativity, and a low ionization energy?

A scientist performs an experiment in which a radium-226 (Ra-226) atom decays into radon-222 (Rn-222). The scientist concludes that some energy must have been added to the system to cause this reaction to begin.

Which suitable method can be used to separate a mixture of sand and paraffin

How many vowels does the word love have

What is silicon used for? -matches -gunpowder -glass -steel can coating