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A child's cubic play block has a mass of 120 g and sides of 5.00 cm. When placed in a bath tub full of water, will the cube sink or float? A ball with a radius of 8.00 cm and a mass of 600 g is thrown into a lake. Will the ball sink or float?
How much time (in minutes) will it take for the water heater to heat the 5.5 Liters of water from 23 Celsius to 49 Celsius?
a sugar water mixture contains 45.8g of sugar and 108.5 g of water. what is the percent by mass of sugar and the
ammonia reacts with oxygen according tot he following equation4nh35o24no6h2o deltahrxn -906kjcalculate the heat in kj
Assume you carry out an experiment when the atmospheric pressure is 765mmHg and the temp in 24 degrees C. you collect Hydrogen gas and want to know the pressure of the gas
Problem- What is the molality of a solution produced by dissolving 14.40 g of LiCl (42.39 g/mol) in water to make 0.104 L of solution with a density of 1.102 g/mL
What are some ways to open up epoxides? Does MeOH do it?
Which proton(s) in 1-phenylethanol corresponds to the tall singlet at about 7.40 ppm in the 1H NMR?
in the laboratory a student named georgia weighed 4.75 g ofan unknown solid mixture containing benzoic acid copper
The hydration of carbon dioxide (add water to CO2) produces carbonic acid and is part of the equilibrium that controls carbon dioxide levels in the blood during respiration of vertebrate organisms. How can this reaction be explained using the Lewi..
the vapor pressure of chlorine dioxide clo2 is 155 torr at -22.75 ?c and 485 torr at 0 ? c. what is the normal boiling
Arrange these ions in order of increasing ionic radius, starting from the smallest first? N^3- , O^2-, Mg ^2+ , Na+ , F- I have been told the answer is the following: 1. N^3- (Nitrogen) 2. Mg^2 (Magnesium) 3. Na+ (Sodium) 4. F- (Fluorine) 5. 0^2- ..
Calculate the number of chromium atoms in a 2.0 cm by 1.0 cm by 7.0 cm piece of this stainless steel. Calculate the number of 52Cr atoms in the above sample. The natural abundance of 52Cr is 83.789%.
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