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Which of the following hormones increases blood glucose levels by inducing the breakdown of glycogen and the production of glucose by gluconeogenesis?
a. glucagonb. insulinc. cortisoned. adrenaline. epinephrine
2.50g of KClO3 decomposes by the equation: 2KClO3=2KCl+3O2. What volume of O2 is produced at 25 degree C and a pressure of 750 mmHg
what volume will 5.90 moles of sulfur hexafluoride (SF6) gas occupy if the temperature and pressure of the gas are 159 C and 5.50 atm, respectively
A hydrogen atom with an electron in its ground state interacts with a photon of light with a wavelength of 1.22 × 10^?6m. Could the electron make a transition from the ground state to a higher energy level? If it does make a transition,
Describe two independent methods for determining the atomic mass of an element. Explain how these method are truly independent.
Sodium bicarbonate undergoes thermal decomposition according to 2 NaHCO3(s) Na2CO3(s) + CO2(g) + H2O(g) What happens when 0.20 atm of argon gas is added 1. [CO2] increases 2. [CO2] decreases 3. [CO2] stays the same
What is the pH after 13.3 mL of base is added? The Ka of butanoic acid is 1.5 X 10^-5.
In the temperature range from 40 K to 90 K, a certain amount of liquid has a temperature dependent heat capacity that is given by Cp = 18.5 J K?1 + T × 0.24 J K?2. Determine the enthalpy change resulting from heating this sample from 58.0 K to 72...
In the acid-catalyzed dehydration of alcohols, an alkene and water are the reactions products. What method of separation has been used in order to collect samples
Ethylene glycol, HOCH2CH2OH, is used as antifreeze. It is produced from ethylene oxide, C2H4O, by the following reaction. C2H4O(g) + H2O(l) HOCH2CH2OH(l)
You dilute 1g of the soap 1:106 and plate it on standard plate count agar. After 24 hours of incubation, there are 168 colonies. How many bacteria were on the soap? How did they get there?
a sample of ice 27.0-g at -13.0degc is combined with water of 114.0 grams at 80 degree celsius. compute the final
thermal equilibrium is reached, the temperature of the aluminum sample plus water mixture is 29.4 degrees C. What is the specific heat of aluminum
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