A pot containing 1.50 kg of water is sitting on a hot stove, and the water is stirred violently by a mixer that does 8.20 kJ of mechanical work on the water. The temperature of the water rises by 4.00Β°C. What quantity of heat flowed into the water from the stove during the process? The specific heat of water is 4.186 kJ/kgΒ·K.Β
A proton moves through a magnetic field of magnitude 4.5 T at a speed of 7.08Γ10^6 m/s
Perpendicular to the field. Find the
a. Centripetal acceleration
b. Radius of the circular path of the proton
A 2.144-g sample of phosgene, a compound used as a chemical welfare agent during World War 1, Contains 0.260g of carbon, 0.347g of oxygen, and 1.537g of chlorine. what is the empirical formula of this substance
140 g of S2Cl2 was collected from the reaction of 640 g of Sulfur and 142 g of Chlorine. What is the maximum amount of S2Cl2 in grams that can be produced from the reaction?
the mean lifetime of a sample of 100 light tubes produced by a company is found to be 1,580 hours. Test the hypothesis at 5% level of significance that the mean lifetime of the tubes produced by the company is 1,600 hours with standard deviation of 90 hours
Solve the equation (π₯ + π πππ¦)ππ₯ + (π¦2 + π₯πππ π¦)ππ¦ = 0
140 g of S2Cl2 was collected from the reaction of 640 g of Sulfur and 142 g of Chlorine. What is the maximum amount of S2Cl2 in grams that can be produced from the reaction?
demand function is Qd=100-2p and supply function is Qs=-60+3p
calculate consumer surplus and producer surplus
Determine the refracted index of a certain piece of glass if the speed of light in it is 1.90x10^8 m/s
What is the concentration of Br-Β in a solution prepared by mixing 0.500 L of 0.0450 M KBr and 0.250 L of 0.0250 M CaBr2?