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given that CO2 makes up .0355% of the atmosphere what is the maximum concentration fo CO2 in H2O. Using Henrys law C=kP where k for CO2 = 2*10^-3
A 1.000 mol sample of propane, a gas used for cooking in many rural areas, was placed in a bomb calorimeter with excess oxygen and ignited. The initial temperature of the calorimeter was 25.000°
A 6.52 g mass of a metal was heated to 103.88°C and then plunged into 100.0 g of water at 24.73°C. The temperature of the resulting mixture became 28.28°C.
Two capacitors connected in parallel produce an equivalent capacitance of 40.0?F, What is the individual capacitance of each capacitor
A mixture of ammonia and oxygen is prepared by combining 0.290 L of NH3 (measured at 0.730 atm and 26°C) with 0.190 L of O2 (measured at 0.750 atm and 54°C). How many milliliters of N2 (meas
Two sqaures of wire like that of above are placed side by side on a table with a distance of 8 cm between the closest sides of the two sqaures, What is the resulting force between the two squares
Write the condensed structure of the primary alcohol (RCH2-OH type) with the general formula C4H10O.
A coin placed on a turntable rotating at 34.1 rev/min will stay there if its center is placed no further than 10.0 cm from the axis of rotation, What is the coefficient of friction between the coin a
Suppose that a nuclear reactor is full with 1 million liters of contaminated (radioactive) water. Flushing of the contaminated water by flowing-in uncontaminated water at a rate of 1000 liters per d
If a copper-containing compound is found to be 29.2% Cu by mass, and there is only one copper atom per formula unit, what is the formula mass of the compound in amu?
With two resistors of resistances of 16(ohms) and 24(ohms) are connected in parallel. Find the equivalent resistance of the network, and the current in each resistor
Based on coulombic attractions, list the magnitude of attraction between ions from the least to highest. why? Nacl, Na2SO4, MgSO4
It takes only 9.12N of force to hold up a 1KG metal crown in water, Compute the specific gravity of this metal, and guess what element it might be using a density table
Solid lead (I) sulfide reacts with aqueous hydrochloric acid to form solid lead (II) chloride and dihydrogen sulfide gas.
A photomultiplier is being used to detect 770 nm infrared photons from the excitation of potassium. These photons impinge on a 2 cm square cesium metal surface inside the photomultipler, there is en
Using data from thermodynamic quantities at 298.15K, calculate deltaG^degree for the following reactions. Indicate if each reaction is spontaneous at 298K under standard conditions.
If the final temperature of the combined liquids is 28.5°C and the heat capacity of the calorimeter is 19.3 J/°C, determine the specific heat of methanol.
A capacitor has parallel plates of area 12 cm2 separated by 4.5mm . The space between the plates is filled with polystyrene, Find the induced surface-charge density on the surface of the dielectric
Using data from the thermodynamic quantites at 298.15 K, calculate delta H^degree, delta S^degree, and delta G^degree at 298K for each reaction. Show that delta G^degree = delta H^degree - T(deltaS^
A 1.60m cylindrical rod of diameter 0.450cm is connected to a power supply that maintains a constant potential difference of 15.0V across its ends, Find the resistivity and for the material of the r
Is the reaction exothermic or endothermic. Does the reaction lead to an increase or decrease in the disorder of the system
Methanol (CH3OH), which is used as a cooking fuel, undergoes combustion to produce carbon dioxide and water
The centripital force of 45N is required to resolve a stone of mass 100g along a circular path of radius 50cm. Find the constant speed of the stone
Derive the algebraic equations for the coordinate curves and coordinate surfaces in pherical polar coordinate systems
What is the molarity of a 600mL solution prepared by dissolving 6.72 g of sulfuric acid, H2SO4