What is the mass of a rectangular block of iron
iron has a density of 7.874 g/cm3. what is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000 cm by 5.000 cm?
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Consider a situation in which 235g of P4 are exposed to 272g of O2. What is the maximum amount of P2O5 that can theoretically be made from 235g of P4 and excess oxygen?
During the titration several milliliters of deionized water are added to the Erlenmeyer flask containing the KHP solution. How will this affect the calculated concentration of NaOH (too high, too low, or unchanged?) Explain clearly.
A student combusts 504.96 grams of ethene gas, C2H4. How many liters of CO2 (g) are produced at a pressure of 0.993 atm and a temperature of 295 K? C2H4 (g) + 3 O2 (g) 2 -> CO2 (g) + 2 H2O (g)
If the metal pellet has a heat capacity of 0.570 J/(g•ºC) and the water has a heat capacity of 4.184 J/(g•ºC), what is the final temperature of both the water and the metal pellet, in ºC? Round to 3 significant figures.
Two immiscible fluids are in contact. Fluid I is denser and is also well mixed. The concentration of species a is cao everywhere within this fluid and the temperature in fluid I is held constant at To.
The heat of fusion of ice (the heat associated with ice melting) is 6.0kJ/mol . Find the temepature of the coffer after the ice melts.
Given a tree T of nodes such that each node contains a number. A set of nodes S is an independent set of T iff no node of S is a parent of another node in S.
What is the volume of the gas in milliliters when the pressure and temperature of the gas sample are changed to 0.950 atm and 70 degrees C?
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Explain how you plan to incorporate a commitment to social change into your program of study and professional practice.
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