Answers: 2
Chemistry, 22.06.2019 10:00
Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.
Answers: 1
Chemistry, 22.06.2019 14:40
Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d
Answers: 2
Chemistry, 22.06.2019 17:50
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
Chemistry, 22.06.2019 20:30
Which of the following is not true about the atomic model of substances?
Answers: 1
Unsweetened chocolate has a very bitter taste. What does this taste indicate about
some of the comp...
English, 09.03.2021 01:00
History, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
English, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
Spanish, 09.03.2021 01:00
History, 09.03.2021 01:00
English, 09.03.2021 01:00
Chemistry, 09.03.2021 01:00
Chemistry, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00