Aperson's blood pressure has a systolic pressure of 144\pm±3.2 mm hg. what is the percent uncertainty?

statements like this are always representing the number in the following format:

a\pm\delta aa±δa

to convert to a percentage, all you need to do is calculate

\frac{\delta a}{a}\cdot100\%δaa⋅100%

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted