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What is the pH of a solution which results from mixing 150 mL of 0.50M acetic acid and 150 mL of 0.50M sodium hydroxide at 25oC?
Data Table: Mass MgO: 2.8045g initial temperature(°C): 24.99°C final temperature(°C): 25.00 °C Calculate the number of moles of MgO used in the reaction. The molar mass of MgO is 56.305 g/mole.
What are bureacrats and what do economisits argue negatively when considering them in today's economy? Provide an explantion/example of why.
A gas occupying a volume of 695 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume?
How does climate influence mass wasting? Also, intuitively, it would seem that rainy climates would be most susceptible to mass wasting. But why might arid climates experience a great deal of mass wasting even though there is less annual rainfall?
The characteristic symptoms of cholera are extensive loss of body fluids and Na+ through continuous debilitating diarrhea that can lead to severe dehydration.
Suppose that a certain country has an MPC of 0.9 and a real GDP of $500 billion. If its investment spending decreases by $12 billion, what will be its new level of real GDP?
The contribution margin ratio for Sporting Goods is 30%, while for Sports Gear it is 50%. What will sales be for the Sporting Goods Division at the break-even point?
Hydrogen has two naturally occurring isotopes 1H (mass= 100783), and 2H (mass= 2.0140). If the atomic weight of hydrogen is given as 1.0079, which one is the more abundant isotope
What is the relationship between belief, knowledge, mythology, and religion? Where do mythology and religion intersect? Where do they diverge? Thank about the function of myth and religion in helping human beings cop-e with change, suffering, loss..
Solid aluminum reacts with aq H2 SO4 to form H2 gas and aluminum sulfate. when a sample of Al reacts, 425 mL of H2 gas is produced at 24 degree celsius at a press of 744 mmHg. How man grams of Al reacted?
Calculate the amounts of C 7 H 8 , C 7 H 16 , and H 2 in the output stream express your answer (in mol s -1 ).
How much heat is absorbed when 28 grams of H2O is converted into steam at 100 degrees C?
When scuba diving, it is important to come back to the surface of the water from deep dives slowly. If this does not happen, then the diver can get the ?bends?.
What type of bonding between amino acid residues is most important in holding a protein and polypeptide in a specific secondary configuration?
Balance the following equation in basic solution. indicate which reactant becomes oxidized during the reaction, which reactant becomes reduced
Calculate the number of molecules in 7.00 moles H2S, Using Avogadros number calculate the number of molecules in 7.00 moles H2S
Four atoms of iron (Fe) are to be combined with three molecules of oxygen (O2). How many total iron atoms and oxygen molecules will be combined during the formation of Fe3O4?
The complex ion [Co(CN)3]^3- absorbs a photon of wavelength 2.90×10^2 nm. What is the splitting energy of this complex in kJ/mol?
Calculate the molarity of a solution made by dissolving 0.850 grams of Na2SO4 in enough water to form exactly 930 mL of solution.
A compound of bromine and fluorine is used to make UF6, which is an important chemical in processing and reprocessing of nuclear fuel. The compound contains 58.37% by mass of bromine. Determine its empirical formula.
Use the van der Waals parameters for chlorine to calculate approximate values of (a) the Boyle temperature of chlorine and (b) the radius of a Cl2 molecule regarded as a sphere.
A 12.0-g sample of ice at -19.0°C is mixed with 115.0 g of water at 72.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
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