Chemistry, 27.10.2020 20:30 annafellows
WHAT ELEMENT I am found in the transition metals above Period 5 and I am found naturally in the Earth's crust.. I am often associated with the color blue. I am
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Chemistry, 21.06.2019 13:00
Asolution has a ca2+ concentration of 0.049 m and an f- concentration is 0.147 m at equilibrium. the value of ksp for caf2 at 25°c is 4.0 x 10-11. will this solution form a precipitate? yes no
Answers: 3
Chemistry, 22.06.2019 00:30
Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1
Answers: 3
Chemistry, 22.06.2019 02:00
Which of the following happens during cell division? (a) energy is created (b) waste is eliminated (c) carbon dioxide is released (d) damaged cells are replaced
Answers: 1
Chemistry, 22.06.2019 04:30
The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
Answers: 1
WHAT ELEMENT I am found in the transition metals above Period 5 and I am found naturally in the Eart...
Mathematics, 12.11.2019 22:31
History, 12.11.2019 22:31
English, 12.11.2019 22:31
English, 12.11.2019 22:31
History, 12.11.2019 22:31
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Mathematics, 12.11.2019 22:31
Mathematics, 12.11.2019 22:31