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Problem- The pressure of air in a car tire is approximately 255 kilopasacls. What is this measurement in millipascals? Express your answer in scientific notation, and be sure to state the units.
Please also show how you got the answer thank you!!!
Please perform what you can and illustrate your work so I can follow. Thanks
The mass of an electron is 9.109 x 10-?31 kg. What will be the velocity of the escaping electrons under these conditions. What is the de Broglie wavelength of the escaping electrons
Carbon is a fascinating element that is capable of forming four covalent bonds.
a mixture of 7.50 g he and 29.5 g ne has a pressure of 750. mm hg. what is the partial pressure of each of the
Discuss the phase changes that occur in the liquid solid and liquid vapor boundary. Describe how the locations of phase boundaries are obtained. Discuss any assumptions used in the Clasius Clapeyron equation.
a -gt b 2c this is the elementary gas-phase reaction that is carried out isothermally in a flow reactor without any
Assuming that at low pH the principle species in solution is HA and at high pH the principle species is A-, calculate the pKa of the indicator.
Question- Why does a heavier molecule like O2 compared to N2 move at a lower average velocity. Temperatures are the same. I know 02's molecular mass is higher but why else
how much heat is released when 75.0 g of steam at 100.0°C is cooled to ice at -15.0°C? The enthalpy of vaporization of water is 40.67 kJ/mol
A 14.7 g of ice is placed into 324 g of water. Calculate the temperature change in the water upon complete melting of the ice.
Find the velocity of an electron emitted by a metal whose threshold frequency is 2.47 x 10^14 s^-1 when it is exposed to visible light of wavelength 5.02 x 10^-7 m
1.what is the ph of the solution created by combining 2.40 ml of the 0.10 m naohaq with 8.00 ml of the 0.10 m hclaq?
The active ingredient in Pepto-Bismol is bismuth subsalicylate, C7H5Bi04. Anslysis of a 1.500-g sample of Pepto-Bismol yeilds 346 mg of bismuth. What percent by mass is bismuth subsalicylate
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