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A 1.5g iron nail is heated to 95.0 *C as well as placed into a beaker of water. Compute the heat gained by the water if the final equilibrium temperature is 57.8 *C. The specific heat capacity of iron = 0.449 J/g*C of water= 4.18 J/g*C.
Select the answer from the following but show work.
a.) 6.0 Jb.) 25 Jc.) -25 Jd.) 39 Je.) -39 J
What difference do the + and - make? do you add/subtract protons? Which of the following species has the largest radius. A. Li+ B. Na+ C. K+ D. Ar E. Cl-
Starting with 33 moles of O2 in a bottle, calculate the volume of O2 the bottle could deliver to a climber at an altitude where the temperature is -38 degrees Celsius and the atmospheric pressure is 0.37 atm
After mixing, you filter it and find that the concentration of the filtered solution is 5ppm Cu2+. From the above scenario, calculate the mass of Cu2+ bound to the soil. Calculate the K(dis).
Find the name of hazardous chemicals and write formula and how will handle these hazardeous chemical in the lab from below ammonia, bleach, dish detergent, hand sanitizer, hand soap, lemon juice, shampoo, codium bicarbonate, vinegar, sodium hydrox..
The nitrate concentration in an industrial effluent is determined using a nitrate ion selective electrode. Standards and samples are diluted 20-fold with 0.100 K2SO4 to maintain consatnt ionic strength.
Write the carbon first and the H second in the formula and use the underscore key to denote subscripts in the formula.
What's the central atom for CH3Br, how many bonds are formed, is it polar or nonpolar, what's the direction of electronegativity
Elemental analysis of putrescine (The rotten smell of a decaying animal carcass is partially due to a nitrogen-contained compounded) showed
Write as a superposition of 3 eigenstates, indicating the numerical value of each coefficient. Using the coefficients, demonstrate that is normalized.
What feed rate of the 30.0 wt% HBr solution would be required to produce 1050 kg/hr of product. What is the feed ratio of liters of 12.0 wt% HBr solution to liters of 30.0 wt% HBr solution.
If 100g of iron were reacted with 100g of oxygen according to the reaction below, the maximum yield in grams of Fe2O3 would be. 4 Fe(s) + 3 O2(g) >> 2 Fe2O3(s)
At a local convenience store, you purchase a cup of coffee, but ,at 98.40C, it is too hot to drink you add 23.0 g of ice that is -2.20 C to 248 ml of the coffee. What is the final temperature of the coffee
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