Who’s does an atom become a positively charged ion? a. by gaining one or more electrons b. by gaining one or more neutrons c. by losing one or more electrons d. by losing one or more neutrons

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c