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!
For H3PO4, a tripotic acid, Ka1 = 7.1 × 10-3, Ka2 = 6.3 × 10-8, and Ka3 = 4.5 × 10-13. What is the pH of a solution which contains 0.300 moles of Na2HPO4 and 0.200 moles of Na3PO4 per liter of solution?
Energy in the amount of 421 J is added to a 69g sample of water at a temperature of 23.0 C. What will be the final temperature of the water?
How many OH- ions appear in the correctly balanced equation, and on which side of the arrow?
From the Mn concentrations (3.56ppm and 3.71ppm) and uncertainty
how could you use IR spectroscopy to identify which alkene is in which vial? How do you determine what the wavenumber values are for specific compounds/ elements?
A .647 L sample of hydrogen chloride (HCl) gas at 1.12 atm and 23°C is completely dissolved in 885 mL of water to form hydrochloric acid solution. Calculate the pH of the solution.
Calculate the average O-F bond energy given the following average bond energies: O=O 498 kJ/mol F-F 159 kJ/mol
Some sugar substitutes are made from derivatives of sucrose. SucraloseTM is a sweetener found in soft drinks and low-calorie foods such as yogurt.
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum:
a gas sample in an open manometer system has a pressure of 530 mmHg . The mercury column has a height of 545 mm on the gas sample side and a height of 425 mm on the air pressure side. what is the value of the air pressure in mmHg?
A solution is prepared by mixing 77.0 mL of 5.00 M HCl and 11.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
A synthetic organic chemist wants to make 100.0 grams of benzoyl chloride C7H5OCl from benzoic acid C7H6O2 in the following reaction.
Gold sells for $1120/oz. One ounce is equal to 28.35g. The molar mass of gold is 196.97g/mol. 1 moldovian franc contains 0.567g of gold. If 1 franc = $1.42, how many atoms of gold are presents in 0.010 moldovian francs?
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