Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A certain hydrate has the formula MgSO4.xH2O. If a quantity of 54.2 g of compound heated in an oven to drive off the water. If the steam generated exerts a pressure of 24.8atm in a 2.00L container at 120 Celsius, compute x.
A bioengineer preparing cells for a cloning experiment bathes a small piece of rat epithelial tissue in a TRIS buffer, (HOCH2)3CNH2. The buffer is made by dissolving 34.0 g TRIS (pKb = 5.91) in enough 0.075 M HCl to make 1.00 L of solution.
what is the concentration of glyceraldehyde-3-phosphate? Assume a temperature of 25.0 °C. The constant R = 8.3145 J/(mol·K)
Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). How much limestone in kilograms would be required to completely neutralize a 5.2 x 109 L lake containing 5.0 x 10-3 g of H2SO4 per liter
Use the masses of carbon dioxide, rm CO_2, and water, rm H_2O, to determine the empirical formula of the alkane component.
Describe how you would prepare the above buffer solution if you only had NaH2PO4, and a solution of NaOH. What other equipment would you need?
How many moles of H2 can be produced from x grams of Mg in magnesium-aluminum alloy? The molar mass of Mg is 24.31 g/mol
What would be the mathematical sign for the energy change (positive for endothermic or negative for exothermic) for each of the following processes. Explain the reasoning for each choice:
Predict the reactivity of benzaldehyde compared to benzene in a Friedel-Crafts reaction. Benzaldehyde is _______________ reactive than benzene in Friedel-Crafts reactions.
a) The name acetic anhydride implies that the compound will react with water to form acetic acid. Write the equation for the reaction. b) Write the equation for the reaction by which aspirin decomposes in an aqueous ethanol solution.
An acqueous solution of Kl has a freezing point of -1.80 C and an osmotic pressure of 26.0 atm at 25.0C. Assume Kl completely dissociates in water. What is the density of the solution
Calculate the pH after 0.010 mol gaseous HCl is added to 250.0 ml of each of the following buffered solutions. a. 0.050 M NH3/ 0.15 M NH4Cl
an unknown gas sample is collected in a 255 ml countainer at 25c and 755 mm hg. how many moles of gas are present?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd