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Using a Nitrogen gas sample in a container with capacity 1.64 Litres , A pressure of 1,21 atm is exerted by this gas sample at the temperature of 35 degree celsius calculate the pressure when temperature is increased to 383 0C and volume of container keeps constant?
How long does it take for the radioactive isotope to decay to 4.9×10?3 mg? (Assume no excretion of the nuclide from the body.)
9.2 l of liquid water at 25c is combined with 1.0 kg of liquid h2so4 at 25c. estimate the temperature of the sulfuric
A refrigeration tank holding 5.00 L of Freon gas (C2Cl2F4) at 25°C and 3.00 atm pressure developed a leak. When the leak was discovered and repaired, the tank had lost 76.0 g of the gas.
The concentration of sugar (glucose, C6H12O6) in human blood ranges from about 80 mg/100 mL before meals to 120 mg/100 mL after eating.
A gas-filled balloon having a volume of 2.50L and 1.2 atm and 25 Celsius is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are -23 Celsius and 3.00 x 10^-3 atm, respectively. Calcul..
Based on their activation energies and energy changes and assuming that all collision factors are the same, which of the following reactions would be slowest in the reverse direction
how long was the flight? How far did it travel in the horizontal direction before landing? What was the highest altitude it reached? Neglecting air friction at what angle should the projectile have been fired to maximize the horizontal range.
Small quantities of oxygen can be prepared in the lab by heating potassium chlorate, KCIO3(s) 2KClO3 -> 2KCl+3O2 Calculate how many grams of O2(g) can be produced from heating 59.4g of KClO3(s)
What is the minimal external voltage one must supply in order to perform the electrolysis of molten CaCl2. Suggest a means for supplying this energy.
Consider a reaction for which DeltaS is positive and DeltaH is negative. Discuss briefly the conditions under which this reaction will NOT BE spontaneous.
Find the enthalpy of reaction for graphite going to diamond. Is this reaction exothermic or endothermic. What does it imply about the chemical bonding in diamond compared to graphite.
19.8 mL NaOH is required to titrate 0.6013g of potassium hydrogen phthalate. How many mL NaOH required to titrate 25 mL 0.10 M HCL solutions
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