Chemistry, 24.03.2021 22:00 preciousharrington13
Plants get all their matter from soil. True or False
Answers: 3
Chemistry, 21.06.2019 20:30
Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground
Answers: 1
Chemistry, 22.06.2019 11:00
Imagine that twenty i.u.ās of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?
Answers: 2
Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
Chemistry, 22.06.2019 21:00
The rate constant for the reaction below is 6.2 x 10ā5 mol lā1 s ā1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
Answers: 1
Plants get all their matter from soil. True or False...
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