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When a sample of phosphorus-32 was placed 1 cm from the detector, the intensity of its radiation was measured to be 491 counts per second. What would its activity be 2 cm from the detector? 5 cm?
Write a balanced equation for the following reaction gaseous propane (C3H8) burns in oxygen to form gaseous carbon dioxid and water.
A chemical reaction takes place in a container of cross-sectional area 100 cm2. As a result of the reaction, a piston is pushed out through 21 cm against an external pressure of 534 torr.
Find out the molar mass of each of the given gases 1) 2.16 grams of a gas that occupies 1.38L at 665 mmHg
Depict the chair flip of the structure drew. Illustrate every hydrogen on the cyclohexane ring. don't draw the hydrogens on the methyl groups.
Presume you had started with 3.25 moles of sodium hydrogen carbonate, Explain how many moles of sodium chloride would you expect to be formed
0.010 M aqueous solution of a weak acid HX, has a pH of 4.0. What is the percentage ionization of HX in the solution
Problem- Water freezes at -10 deg Celsius. Determine the sign of delta S, delta H and delta G for the freezing process and explain why
1 mole of oxygen gas o2 and 2 moles of ammonia nh3 gas are placed in a container and allowed to react at 850 c
The gas effuses at a rate that is 0.404 times that of neon in the same apparatus under the same conditions. How many atoms are in a molecule of gaseous white phosphorus?
Determine for the delta h for the combustion of methanol to carbon dioxide as well as liquid water from the following data. The heat capacity of the bomb calorimeter is 34.65kj/k and the combustion
Use standard reduction potentials (shown below) to calculate the potential of a nickel-cadmium cell that uses a basic electrolyte that has a 0.6 M hydroxide concentration.
Intramolecular forces refer to the bonding forces within a molecule. Choose which forces are involved in the following change. those allowing fog to form on a cool, humid evening in Houston a. intramolecular b. intermolecular c. both d. neither
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