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A block of mass 35 kg is on a flat floor with a static friction coefficient of 0.36 and a kinetic friction coefficient of 0.29. A person attempts to slide the box from rest in a forward direction. Find the maximum frictional force experienced and the acceleration of the box once it is moving if: a) the person pushes horizontally with 120 N. b) the person pushes at an angle with a 25 N vertical component directed down and a 200 N horizontal component of the push directed forward. c) the person pulls with 120 N on a rope up angled 30° up from the horizontal.
What would be the hybridization for a molecule with a central atom that is bonded to 5 peripheral atoms and that has 3 nonbonding valence
formation of so3 from the air pollutant so2 is a key step in the formation of acid rain according to the following
A carbon-carbon single bond has a bond energy of approximately 348kJ/mole
A 49 gram sample of impure potassium nitrate (KNO3) was heated to complete decomposition according to the equation 2 KNO3(s) → 2 KNO2(s) + O2(g) After the reaction was complete.
The volume of 1.00 mol of ammonia gas at 1.15 atm of pressure is gradually decreased from 90.5 mL to 34.9 mL. What is the final pressure of ammonia if there is no change in temperature?
A student takes 185. g of BaCl2, and reacts it according to the following equation: 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?
Using your knowledge of intermolecular forces, polarity, and any other necessary information answer the following question: Why is citric acid insoluble with DCM, ethanol, and ethyl acetate
What is the relationship between the products formed when (R)-3-methyl-1-pentene is reacted with HBr? Question 15 options: Constitutional isomers Diastereomers Enantiomers Meso compound
determine the concentration of hemoglobin solution knowing that its absorbance is 0.65. the pathlength is 1 cm and the
What is the pH of a solution made by mixing 100.00 mL of .20 M HCl with 50.0 mL of .10 M HCl. Assume that the volumes are additive
In an "anti-bonding" orbital between two atoms, the electrons involved in the bond spend "most of their time" a) in between the two atoms where they act to repel one another
How many grams of KO2 are needed to react completely with 7.328 g of CO2.
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