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what amount of heat would need to be added to 5.0 x 103 g of water to change its temperature from 21c to 84c?
Draw a Lewis structure of BF that satisfies the octet rule for both atoms
What would be the effect of performing your kinetics experiments at a lower temperature than the one you used?
Show the orbital-filling diagram for N (nitrogen). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
95.0mL of rm H_2O is initially at room temperature (22.0rm{} ^{circ}C). A chilled steel rod at 2.0rm ^{circ}C is placed in the water. If the final temperature of the system is 21.4^{circ}C.
Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr metal is 2.54 g/cm3
A balloon contains 400cm3 of helium at 25degrees and 1atm pressure. If the balloon bursts when the volume exceeds 800cm3. What would be the maximum temperature it could withstand at constant pressure?
if 3.55 mL of vinegar needs 43.0 mL of 0.130 M sodium hydroxide to reach the equilavence point in a titration, how many grams of acetic acid are in a 1.6qt sample of this vinegar?
2C2H6 + 7O2---> 4CO2 + 6H2O if the reaction produces 2.75 mol of H2O how many grams of CO2 are also produced?
Determine the molarity of a saturated aqueous solution of NaI formed as 25degree celsius assuming that the added NaI does not add significantly to the volume of the water?
If the titrant has a molarity of 0.2750 M and there are 40.00 mL of analyte present, what is the molarity of the analyte?
Determine the value of the solubility-product constant if solubility of T3U2 =4.24× 10-20 mol/L.?
The atmosphere becomes colder at higher elevation. As an average the standard atmospheric absolute temperature can be expressed as Tatm = 288 - 6.5 × 10?3 z, where z is the elevation in meters.
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