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A 0.045-kg golf ball hangs by a string from the rearview mirror of a car, The car accelerates in the forward direction with a magnitude of 1.7 m/s2
What angle does the string make with the vertical?
What is the tension in the string?
The basicity test differentiates aromatic and aliphatic amines based on their solubility in a pH 5.5 buffer. Given that Kb for aniline is 4.2e-10, calculate the ratio of amine salt to dissolved amine for aniline in such a buffer.
How much heat (in kj) is needed to convert 776g of ice at -10 degrees celsius to steam at 126 degrees celsius. (the specific heat of ice water and steam are 2.03 J/g . C, 4.184 J/g . C, 1.99 J/g . C, respectivley. The Heat of Fusion of water is 6...
Due to a failure in the building's cooling system, the room's temperature rises to 37 degrees Celsius. Does all of the rest of the water evaporate. What is the partial pressure of water vapor in the room. What is the relative humidity.
the difference between nucleophilic centers, nucleophiles, electrophilic centers, and electrophiles. Lastly, tell me how to identify all four of these in a given molecule.
The element M forms the chloride MCl4 containing 75.0% Cl by mass. What is the atomic weight of M?
This point we have magnesium ions in solution and fluoride ions in solution. Remember the Ksp of MgF2 is equal to 3.7 x 10^-8 at room temperature
Calculate the percent relative error for the three solutions if perfect technique is used. Report the two new molarities. (The error in a 10-mL transfer pipet is 0.02, and the error in the 200-mL volumetric flask is 0.1)
a what temperature change would you expect in which 50.0 ml of 2.0m hcl is combined with 80.0 ml of 2.0 m naoh in
Question- Describe and explain the possible effect on your results of the following experimental errors or variations. a) Use of a thick-walled melting point tube
Write the empirical formula for the molecular compound dimethoxyethane
When looking at Power, Rights, and Interests when resolving a conflict, which one is most used in you place of work and which one would you rather have and why?
Calculate the molarity of a solution of sodium hydroxide, NaOH, if 23.64 mL of this solution is needed to neutralize 0.5632 gof potassium phthalate
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