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An electric range burner weighing 635.0 grams is turned off after reaching a temperature of 480.3°C, and is allowed to cool down to 22.2°C.
Calculate the specific heat of the burner if all the heat evolved from the burner is used to heat 581.0 grams of water from 22.2°C to 82.1°C.
Answer _________J/g°C
a solution is prepared by diluting 225 ml of 0.1885 m aluminum sulfate solution with water to a final volume of 1.450
Explain about the basics of Periodic Table
fluoride ions, calcium ions, and several other dissolved ions. The ions are evenly distributed throughout the water. Which term or terms could be used to describe this sample of tap water?
Combustion of 30.04 g of a compound containing merely carbon, hydrogen and oxygen produces 51.12 g CO2 and 28.45 g H2O. Explain what is the empirical formula of the compound
Problem- 1) Which of the following elements would you expect to form mainly covalent bonds. Oxygen, Potassium, Phosphorus, Iodine, Hydrogen, Cesium
Gravimetric analysis
A solution is made by dissolving 5.00 g of iodine in 100 mL of methanol (density = 0.791 g/mL) to form a solution. What is the mass percent solute in the solution.
a.draw three simple molecules that illustrate the geometry of each states.b. define reduction with reference to organic
After zeroing the electrometer and again inserting the blue wand, did any charge remain on the blue wand? if so, explain why.
Question- A solution is made by mixing 500.0 mL of 4.0 M NH3 and 500.0 mL of 0.40 M AgNO3. Ag+ reacts with NH3 to form AgNH3+ and Ag(NH3)2+ according to the equilibrium reactions
2Hg+2 + N2H4 ------> 2HG + N2 + 4H+ If 13.52 grams of mercury if formed. If you had 135.0 ml of Hg+2, what was the original concentration of Hg+2
how many liters of the antifreeze ethylene glycol c2h6o2 would you add to a car radiator containing 6.50 l of water if
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