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1. Two fair cubes are rolled. The random variable X represents the difference between the values of the two cubes.
a) Find the mean of this probability distribution. (i.e. Find E[X])
How the absent of a free flow of oil would materialise and affect the US economy
Calculate the concentration of each ion in each of the following mixed solutions in which no reaction occurs. a. 200mL of 0.6M AlBr3 mixed with 300mL of 0.4M BaBr2 b. 6.4g of NaCl and 5.2 g of KCl dissolved and made up to 250mL
. During a serial dilution, you use 15.0 mL of a standard solution and dilute it to 1.35 L twice. What is the final concentration if the standard solution had a concentration of 0.500 M?
Find the concentration of all ions present in a 0.223 M solution of PbCl2. (2 marks for solvation, 2 marks for each concentration).
1) Are some politicians in Africa viewed as mini god(s)? If so, how can we begin to change the way our leaders lead? (10)
2) How does cultural setting of the African people contribute to public sector corruption tendencies?
A student adds 1.15 L of water to 750 mL of a 0.330 M solution of NaCl. What is the concentration of the diluted solution?
using method of integration, show that the moment of inertia of a uniform thin rod of length L about an axis perpendicular to the rod at a point L/4 from one of its ends can be written as 7/48ML2
What happens to plant and animal cells placed in solutions of different concentrations
Why do we call mechanisms such as proportional income taxes and the welfare system auto-matic stabilizers ? Choose one of these mechanisms and explain carefully how and why it affects fluctuations in output
#339914 on Dec 2023