Determine the pH of HCI03

a. -4.07
b. 8.56
C. 4.07
D. 9.93

Asample contains 16.75 g of the radioisotope u-236 and 50.25 g of its daughter isotope, th-232. how long did it take for decay to take place if one half-life of u-236 is 23 million years? 46 million years 69 million years 92 million years 115 million years

Predict the products butane (c4h10) + oxygen —>

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units: