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If a 10.17-g sample of solid sodium bicarbonate the active ingredient in baking soda completely decomposes into solid sodium hydroxide with carbon dioxide gas when heated. After the sodium hydroxide cools, it has a mass of 4.84 g. As per to the law of conservation of mass, define what mass of carbon dioxide must have been formed?
Atmospheric pressure decreases as altitude increases. In other words, there is more air pushing down on you at sea level, and there is less air pressure pushing down on you when you are on a mountain
Furthermore, by carefully monitoring the volume change it is determined that 92kJ of work is done on the mixture during the reaction. Calculate the change of energy of the gas mixture during the reaction in kJ.
200 mL of 0.150 M acid HA are mixed with 100 mL of 0.0800 M NaOH. Calculate the titration constant, kt, of the resulting reaction. Ka = 1.0 x 10^-5
calculate the theoretical yield of isopentyl acetate that canbe made from 20.0g isopentyl alcohol and 25.0g acetic
Draw Lewis dot structures for each of the following molecules.
An object has a mass of 6.85g. when placed in a graduated cylinder containing 25.0 ml of water, the water level increased to 28.8 ml. Calculate the density of the object
If you titrate 1.0 g of H2O2 solution (30wt%) with KMnO4, 25.05 ml of this KMnO4 solution is used. What is the molarity of KMnO4?
how much heat in kj is required to warm 12.0 g of ice initially at -13.0 degree celcious to steam at 114.0 degree
What happens to these physical properties as the strength of intermolecular forces (London dispersion forces, Dipole-dipole forces, Ion-dipole forces, Hydrogen-bond forces) increases
How many kilograms of sodium fluoride would be needed to treat a 8.00 x 10^7 gal reservoir
The volume of .05 M KOH solution that contains the same number of mmol as .1 mL of tert-butyl bromide? For the number of mmol of tert-butyl bromide, I got .8912 mmol.
the burning of ethane produces both co2 and h2o. if 200 ml of co2 is produced at 20degc and 750 torr what volume of
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