Chemistry, 10.02.2021 02:50 brialevy2283
Which metals are so reactive that they are never found as uncombined elements in nature?
A. alkaline earth metals
B. alkali metals
C. rare earth metals
D. transition metals
Answers: 1
Chemistry, 23.06.2019 00:30
How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw
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Chemistry, 23.06.2019 19:30
How has the scientific model of the atom changed over the centuries, and what new evidence led to the various changes in the model?
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Chemistry, 23.06.2019 19:40
The reaction: (ch3)3cbr + oh− → (ch3)3coh + br− in a certain solvent is first order with respect to oh−. in several experiments, the rate constant k was determined at different temperatures. a plot of ln(k) vs 1/t was constructed and the slope of the line was -1.10 x 104 k with a y-intercept of 33.5. what is the value for k at a temperature of 25°c?
Answers: 1
Which metals are so reactive that they are never found as uncombined elements in nature?
A. alkalin...
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