Determine how many molecules of water occur
If Epsom salt, MgSO4, H2O, is heated to 250degrees C, all the water of hydration is lost.0.824g of MgSO4remains, on heating a 1.687-g sample of the hydrate. Determine how many molecules of water occur the pure formula unit of MgSO4?
Expected delivery within 24 Hours
With a volume of 59.7ml a metal slug weighing 25.17g is added to a flask. It is found that to fill the glass the 43.7g of methanol (d=0.791g/ml) must be added to the metal. Discuss the density of the metal?
Glucose levels in patients free of diabetes are assumed to follow normal distribution with mean of 120 and a standard deviation of 16. What proportion of patients have glucose levels exceeding 115?
Ascorbic acid, Vitamin C is a water-soluble vitamin. At 55 C a solution having the 80.5 g of ascorbic acid dissolved in the 210 g of water has a density of 1.22 g/ml.
Determine number of bacteria present in culture after7 hours. Determine time that it takes culture to grow to20 times its initial size.
Calculate a 95% confidence level for the difference in means of the two treatment tand select the best answer below. Assume that the independent random samples were taken from normal distributions and that the two population variances are equal.
Determine how are Elements and compounds, protons, electrons, , Neutrons, mass number and Atomic number, radioactive and the Isotopes are related under the structure and the bonding sub topics?
What distinguishes raw scores from difference scores besides the fact that difference scores are used in t-statistic for repeated-measures research design?
Calculate if the heat of solution is endothermic and exothermic from the magnitude of the lattice energy and the hydration energy and vice versa and define the difference among the hydration energy and lattice energy.
1951374
Questions Asked
3,689
Active Tutors
1452219
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?