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Question- Discuss the different radioactive particles like (beta, gamma, etc) with respect to shillding they require.
Separate your answers with a comma. Show the process and each step.
Problem- What is the mass (in kg) of air in a square room if the room has walls that are 9.55 feet high and 9.55 long and the density of air is 1.3 g/L
A mass of 8.9*103kg is placed on a 0.55 L cylinder with area 0.36 m2that contains 0.021 mol of an ideal gas. Determine the final pressure (bar) and temperature of the gas after it has been irreversibly compressed if the final volume is 0.22 L.
On a particular day, the barometric pressure at the top of the mountain was 334 torr. On that day, at what Celsius temperature did water boil on the top of the mountain
Calculate the theoretical yield for the bromination of both stilbenes and cinnamic acid, assuming the presence of excess pyridinium tribromide.
How many grams of hydrogen can be theoretically formed. How much of which reactant will be left after the reaction is over
What is the velocity of a hydrogen molecule after absorbing a photon @ 58.4 nm. What is the translational energy of the molecule in J mol-1
Explain what volume (in mL) of silver nitrate solution, containing 0.100 mol of AgNO3 per liter, is needed to precipitate the bromide from 0.770g of barium bromide (BaBr2)
B: A 75.0 mL colume of 0.200 M NH3 (Kb=1.8x10^-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 27.0mL of HNO3.
Define what is the annual chemical cost of treaing 0.050 m3/s of this water? Suppose the lime is 90% pure and the soda ash is 97% pure. The ion concentrations reported below are all mg/L as CaCO3
62.8 mL of air is collected over water at 24 degrees celsius and 733 mm Hg pressure. find the volume of the dry air at STP
Which of the following factors affect the resolution (separation) of two compounds: (A) nature of the stationary phase; (B) eluent composition; (C) amount of sorbent used; (D) color of compounds being separated?
a calorimeter consists of metal parts with a heat capacity of 850.0 j k-1 and 1100 g of oil with a specific heat of
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