Who was Lucy, the Australopithecus afarensis?
A
a scientist who came up with the system of c...
Who was Lucy, the Australopithecus afarensis?
A
a scientist who came up with the system of classification
B
an extinct hominid who lived about 3 million years ago
С
a paleoanthropologist who discovered an extinct hominid
D
the last known member of the order Primates
Answers: 2
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
Chemistry, 22.06.2019 11:40
Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?
Answers: 1
Chemistry, 22.06.2019 18:00
An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
Answers: 2
Chemistry, 22.06.2019 19:20
Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?
Answers: 3