A substance that produces H + ions in solution is a.

A) soap

B) acid

C) salt

D) base

If the intensity level at distance d of one trombone is 70 db, what is the intensity level of 76 identical trombones, all at distance d?

The planet most like the earth in size and gravitation is: Mars Jupiter Venus Pluto

Identify each of these substances as acidic, basic, or neutral. pure water, pH = 7.0 lake water, pH = 6.5 baking soda solution, pH = 9 soapy water, pH = 12 right answer gets brainliest

We did not find results for: c=49.98%, h=5.19%, n=28.85%, o=16.48% the molar mass of caffeine is 194.19 g/mol. find the molecular formula of caffeine

A 50 kg bicyclist, traveling at a speed of 12 m/s, applies the brakes, slowing her speed to 3 m/s. A) How much work did the brakes do? B) If the net force slowing her down is 120 N, over what distance did this take place?

The force of friction on a sliding object is 10n. the applied force needed to maintain a constant velocity is:

What is the best hypothesis to use for this investigation

Quantum physics would most likely be needed to understand the motion of which of the following? A. an atom B. a cell C. a ball D. a galaxy

Sharon throws a 0.20 Kg with an acceleration of 10 m/s/s. (a) What force did she exert on the ball? (b) What force did the ball exert on her?

What are three ways that extra carbon is getting to the atmosphere?