Chemistry, 21.11.2020 15:30 rosemary909
7. A species is _ when its population has become so low that it is close to becoming extinct
a. Massive logging b. endangered c. pollutants d. population
pa help po,,,
Answers: 2
Chemistry, 21.06.2019 15:30
Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)
Answers: 1
Chemistry, 22.06.2019 02:30
When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.
Answers: 3
Chemistry, 22.06.2019 04:20
Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.
Answers: 1
Chemistry, 22.06.2019 18:30
The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif –1,036licl –853naf –923kf –821nacl –786which statement about crystal lattice energy is best supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.
Answers: 3
7. A species is _ when its population has become so low that it is close to becoming extinct
a. Mas...
Mathematics, 05.06.2021 23:20
English, 05.06.2021 23:20
Mathematics, 05.06.2021 23:20
Mathematics, 05.06.2021 23:20
Chemistry, 05.06.2021 23:20
History, 05.06.2021 23:20