What is the mass of the gold in grams
Question: A chunk of gold with an unknown mass is heated to 163 degrees C and dropped into 38.0 grams of water at 25.0 degrees C. If the final temp of the water is 36.5 degrees C, what is the mass of the gold in grams?
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An element crystallizes in a body-centered cubic lattice. The edge of the unit cell is 2.52 \AA, and the density of the crystal is 6.11 {\rm g/cm^3}
A chunk of gold with an unknown mass is heated to 163 degrees C and dropped into 38.0 grams of water at 25.0 degrees C. If the final temp of the water is 36.5 degrees C, what is the mass of the gold in grams?
A cylinder containing 23.5 moles of nitrogen gas has a volume of 9.81L. What is the pressure of the gas at 23°C?
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Calculate the volume (in mL) of a 1.22 M Na2S solution needed to react with 2.75 g of AlBr3 (molar mass = 266.7 g/mol) in the following reaction:
Question: An unknown mass of each of the following substances, initially at 24.0 C, absorbs 1920 J of heat. The final temperature is recorded as indicated. Find the mass of each substance.
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