Record your hypothesis as an ig then statement for the rate of dissolving compounds Record you hypothesis as an if then statement for the boiling point of the compounds

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Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

How many atoms of nitrogen are in the chemical formula ni(w on

An athlete swings a ball, connected to the end of a chain, in a horizontal circle. the athlete is able to rotate the ball at the rate of 8.13 rev/s when the length of the chain is 0.600 m. when he increases the length to 0.900 m, he is able to rotate the ball only 6.04 rev/s. (a) which rate of rotation gives the greater speed for the ball? 6.04 rev/s 8.13 rev/s (b) what is the centripetal acceleration of the ball at 8.13 rev/s? m/s2 (c) what is the centripetal acceleration at 6.04 rev/s? m/s2