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If 7.00 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced?
Ben Franklin dropped the oil on the surface of a lake and found that 2 mL of oil gave a circle of radius 30 m. Estimate the volumetric size of an oil molecule in angstroms, give one significant digit.
Phenol red indicator changes from yellow to red in the pH range 6.6 to 8.0. State what color the indicator will assume at the equivalence point for the titration of NHc with HCL
Discuss in detail the healthcare applications of chemical reactions. Which chemical reactions would you consider to be of importance to healthcare professionals? Why? In which situations are these chemical reactions useful to healthcare professiona..
1.0 atm pressure of oxygen is 0.041g/L. The solubility of oxygen in water at 3.0 atm and 25 C is _____ g/L.
An adiabatic turbine expands steam from 500oC , 3.5 MPa to 200oC and 0.3 MPa. If the turbine generates 750 kW, what is the flow rate of steam through the turbine
At a certain temperature, the equilibrium constant for the reaction 2HI(g)39. At a certain temperature, the equilibrium constant for the reaction 2HI(g) H2(g) + I2(g) is 0.49.
List the chemical names and number of atoms for each chemical for each of the following equations.
Identify the Lewis acids in the following two equilbrium systems: System A: CO2 + H2O ? H2CO3 System B: Zn2+ + 6H2O ? Zn(H2O)62+ A. A: H2O; B: H2O B. A: CO2
NaCl(aq) + H2O(l) Cl2(g) + H2(g) + NaOH(aq) (b) How many moles of NaOH(aq) are formed in the solution in this process? _ moles of NaOH(aq) are formed.
Large quantities of liquefied natural gas (LNG) are shipped by ocean tanker. At the unloading port provision is made for vaporization of the LNG so that it may be delivered to pipelines as gas.
Calculate the intermolecular collision frequency and the mean free path in a sample of helium gas with a volume of 5.0 L at 27 degrees Celsius and 3.0 atm.
Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of Hydrogen gas are formed when 48.7g of sodium are added to water?
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