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Block b in the figure above rests on a surface for which static coefficient of friction is 0.62. The ropes are massless. What is the Maximum mass of block A for which the system is in equilibrium?
A-122kg
b-8.5 kg
c-8.0 kg
d)12 kg
e)14kg
What is the purpose of running both Dalton Vll mixed markers and lanes with individual markers on SDS-PAGE?
A 4.80 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C.
when a 50.0-g nugget of pure gold is heated from 35.0 C to 50.o C, it absorbed 5200.0J of energy. find the specific heat of gold.
If the solution has the same density and specific heat as water, what is ?H for this reaction (per mole of H2O produced)? Assume that the total volume is the sum of the individual volumes.
What is the equilibrium concentration of N2 in water when the pressure of N2 above the solution
Nitrogen dioxide decomposes according to the reaction 2NO2(g) 2NO(g) + O2(g) where Kp = 4.48 × 10-13 at 25°C. What is the value for Kc?
The freezing point of the solution decreases by 0.905 ° C compared to that of the pure solvent. What is the molar mass of the unknown solid. The freezing point depression constant for benzene is 5.46° C/m.
Na2CO3(s) (sodium carbonate) can be prepared by heating NaHCO3(s) (sodium bicarbonate). If a sample of NaHCO3 is placed in an evacuated flask and allowed to achieve equilibrium with the products which are formed at 100ºC, what will the total gas p..
Calculate the theoretical ph of one of your buffer at 0^0 C. Assume that room temperature is 22^0 C. If none of your buffer is listed on the table of changing pka with temperature, do this problem for TRIS at ph 8.0.
When 0.231g of phosphorus reacts with chlorine to form phosphorus trichloride, in a coffee cup calorimeter of heat capacity 216J/degreeC, the temperature of the calorimeter rises by 11.06C
A 29.0-g sample of water at 260. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Calculate the amount of heat [kcal] released when 50.0 g of steam at 100 °C hits the skin, condenses, and cools to a body temperature of 37 °C.
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