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Suppose the two resistors in Exercise 19 were connected in parallel. What would be (a) the current and (b) the power in this case?
Exercise 19
Two resistors with values of 25 Ω and 35 Ω, respectively, are connected in series and hooked to a 12-V battery.
(a) How much current is in the circuit?
(b) How much power is expended in the circuit?
A sample of an unknown gas effuses in 10.5 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.07 min. What is the molar mass of the unknown gas?
a 1.800 g sample of phenol c6h5oh was burned in a bomb calorimeter. the calorimeter contains 1250 g of water and the
cl2nainacli2br2nainabri2suppose seperate solutions each containing 25.0g of nai are available. if 5.00 g of cl2 gas is
Do not delete any of the atoms or bonds in the template with the Erase button, and do not move atoms or groups directly attached to the ring by dragging them.
Identify which of the following solutions may act as buffers by placing a check in the box next to the mixture. A. HNO3 , NaNO3 D. H2SO4, NaHSO4
make a rough calculation of the amount of co2 exhaled by a person in day. with this and assuming a space crew of five
The accepted value for Ag2CrO4 is 1.1 x 10 -12. Compute the percent error in your experimentally determined value of Ksp: 4.9 x 10-10.
How many formula units make up 26.2 g of magnesium chloride (MgCl_2)?
249g of ice at 265K is mixed with 101g of water at 304K. Calculate the final temperature of the mixture. Assume that no energy in the form of heat is transferred to the environment
Question- The observed Ecell for this electrochemical cell was 1.13 V. In this cell, nickel was used as the reference
Does (CH3CH2)2C=CHCH2CH3 have any cis/trans isomers and if so what are they? Constitutional isomers? Can you sketch
The absorption rate constant is smaller than the elimination rate constarnt. Therefore, the terminal decline of the plasma concentration versus time curve reflects absorption not elimination.
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