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Consider the fusion of boron 10 with an alpha particle. The products of the fusion are carbon and a proton.
a) Write a nuclear reaction for this process.
b) How much energy is released when 1.00 g of B-10 is fused with B1 particles?
Determine the mass of this substance should evaporate in order to freeze 190 grams of water at 25 degree Celsius initially? It is given that the heat of fusion H 2 O= 334 specific heat of H 2 O= 4.18
A chemist wants to make 5.5L of a 0.280M CaCl2 solution.What mass of CaCl2 (in g ) should the chemist use
why are there variations in the weight of acid consumed for the same brand of antacid?
A gas expands and does P-V work on the surroundings equal to 345 J. At the same time, it absorbs 191 J of heat from the surroundings. Calculate the change in energy of the gas.
Aluminum has a face-centered cubic unit cell. If the atomic radius of aluminum is 125 pm, what is the edge length of the unit cell? A) 177 pm B) 354 pm C) 217 pm D) 500 pm E) 250 pm 3. The meniscus of mercury curves downward in a glass tube formin..
Calculate the pH during the titration of 30.00 mL of 0.1000 M KOH with 0.1000 M HBr after 30.26 mL of the acid
Write the half-reaction that occurs at a hydrogen electrode in acidic aqueous solution when it serves as the anode of a voltaic cell?
During photosynthesis chlorophyll a absorbs light of 440 nm and emits light of 670 nm.
A sample of chloroform is found to contain 10.5 g of carbon, 93.1 g of chlorine, and 0.88 g of hydrogen. If a second sample of chloroform is found to contain 20.8 g of carbon, what is the total mass of chloroform in the second sample?
A sample of air contains 11.4 µg/m^3 of beryllium dust. How many atoms of beryllium are present in a room with dimensions of 19.1 feet by 12 feet by 13.3 feet? Answer in units of atoms.
Determines the rate constant for this reaction and express and determine how many mL of a 0.157M solution of KOH is required to react with 0.385g of CH 3 COOH?
Which of the following elements are diatomic gases at 25 degrees celsuis and one atm: H, He, C, N, O, F, Ne, P, S, Cl, Ar, Se, Br, Kr, I, Xe, and Rn?
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