How much energy should be transferred when 38.2 g of liquid bromine reacts with excess hydrogen gas to form hydrogen bromide? Is the energy being transferred from the system to the surroundings or from the surroundings to the system?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Is heavenly controller dating someone?

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays