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Can a car be moving at a constant speed of 60 km/h and still be accelerating? Explain. What does the term centripetal mean? Are we accelerating as a consequence of the Earth's spinning on its axis? Explain.
whats the difference between physicalchemical change and physicalchemical property? how is energy involved in chemical
Problem- A student obtained a clean, dry, glass-stoppered flask. He weighed the flask stopper and found the total mass to be 32.634g. He then filled the flask with water, weighed again, and obtained a mass of 59.479g. At the temperature of the wat..
Calculate the % yield for the following reaction, based on the results regarding the synthesis of 2-iodooctane from 2-chlorooctane. Show all calculations. 2-chlorooctane(100mg) + NaI(excess) = 2-Iodooctane(75mg)
Beta-Dicarbonyl Compounds, There are two reason why the enols of beta-dicarbonyl compounds, such as pentane-2,4-dione are relatively stable.
What is the total sample size (in grams) for a sample of sodium sulfate which contains 3.63 g of oxygen
What is the final volume of a balloon that was initially 500.0 mL at 25 °C and was then heated to 50 °C
Question- KI has a face-centered cubic unit cell in which the I- anions occupy corners and face centers, while the cations fit into the hole between adjacent anions. What is its density if the ionic radii of K+, I- ions are 169.1 pm and 184.0 pm, ..
A disulfide bridge forms between two cysteine residues. d. Disulfide bridges can exist between two amino acid residues on the same chain. e. Disulfide bridges are formed by an irreversible oxidation reaction.
Both the anode and the cathode are inert electorodes in a electrochemical cell. The liquid is molten potassium chloride, KCL. Determine whether this is a galvanic or an electrolytic cell and give teh reaction occuring at the anotde and teh raction..
What are the precipitation reaction with balanced molecular, total ionic and net ionic equations for na2
Chlorine has two isotopes, Cl-35 and Cl-37. Their abundances are 75.53% and 24.47%, respectively. Assume that the only hydrogen isotope present is H-1.
Many fish which normally line in mountain streams (where the water temperature is 0 degrees celcius) die when water in which they live warms up to 25 degrees C. How many oxygen molecules are there in 1.0 ml of water at these two temperatures?
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