Hydrogen bromide breaks down into diatomic hydrogen and bromine via the following reaction: 2hbr → h2 + br2 hydrogen iodide is formed from diatomic hydrogen and iodine via the following reaction: h2 + i2 → 2hi are these reactions exothermic or endothermic?.

Nathan is an ecologist. he’s studying the effect of secondary consumers on primary consumers. his current research focuses on a population of blue jays and crows. they eat caterpillars and mice. if the number of blue jays increases, what are the likely effects on other populations? 1the number of crows will increase. 2the number of mice will decrease. 3the number of mice will remain the same. 4the number of caterpillars will decrease.

What does the first stage of a multistage rocket do?

Tim earns $9.20 per hour when he works at the college library how much money does he earn by working at the library for 4.5 hours