What is the rate constant for the reaction in the units
What is the rate constant for the reaction in the units' min-1if it takes 68.9 minutes for the concentration of a reactant to drop to 20% of its initial value in a first-order reaction?
Expected delivery within 24 Hours
What mass of N2 gas was collected? At 20º C, the vapor pressure of water if 17.5 torr. A sample of N2 gas was collected over water at 20º C at a total pressure of 1.00 atm. A total volume of 250.0ml was collected.
Identify the element in the test tube. Is sugar one of the elements? When sugar is burned a black material is left in the test tube along with what appears to be drops of water on the side.
At 4062 minutes after a particular experiment had begun, the HI concentration was equal to0.00045 mol/L. The second-order rate constant for the decomposition of HI at700 °C is 1.6*10-3L/mol/s.
A particular drug used in animals is eliminated metabolically by a first-order process in such a way those 2.76 hours after the initial dose of 29.7 mg/kg body weight had dropped to a level of 13.6 mg/kg bodyweight.
Write down the mathematical expression/equation for calculating inherent error of NA (i.e. Na/Na) The equivalence point is the point when the number of equivalents acid equals to the number of equivalents of base.
Illustrate the product of the reaction where methyl magnesium bromide attacks the Re face of 3-hexanone followed by the H+. Be sure to clearly demonstrate the AND label your product R or S.
Determine the numbers of additional equivalents of acid will be consumed during the production of 5M of nitrogen if all the oxygen in the nitric acid is converted to water.
The concentration of acetone in a certain aqueous solution is 4.50 M. If 250.0 mL of this solution is diluted to 300.0 mL determine the numbers of moles of acetone will be present in the diluted solution?
1948487
Questions Asked
3,689
Active Tutors
1418714
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
In the TED Talk "The Urgency of Intersectionality," Kimberle Crenshaw explains how people experience overlapping forms of discrimination based on race
How has race been a form of caste in South Africa? Although apartheid is no longer law, why does racial inequality continue to shape South African society?
Question: The concept of "less eligibility" was introduced in 1834 to Option A limit assistance.
Using two examples for each level (micro, mezzo, and macro), describe how a policy practitioner brings about policy change.
Question: Which of the following people is likely to be the MOST individualistic?
We have discussed the importance of archaeology to the study of gender. What can information about past societies tell us about gender?