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The volume of a certain bacterial cell is 2.56 ? m 3 . (a) What is its volume is 2.58 cubic micrometers.
a)What is its volume in cubic millimeters (mm^3)?
b)What is the volume of 1x10^8 cells in Liters (L)?
How many grams of potassium chloride will be generated on decomposition of 225 grams of potassium chlorate?
Using this equation, how many moles of water are produced when .875 moles of methane burn?
A reaction has an activation energy of 40 kJ/mol. What happens to the rate if you increase the temperature from 70 C to 80 C? Does the rate increase by
Radioactive isotope X has been found in rock units S and Q. Isotope X breaks down into isotope Z with a half life of 250 million years.
A 68-g ice cube at 0°C is placed in 680 g of water at 22°C. What is the final temperature of the mixture?
How many grams of sodium phosphate Na3PO4(163.9 g/mol) are contained in 205. mL of a sodium phosphate solution that is 0.194 M in sodium ion Na+?
An 11.0 gram sample of CaCl2(s) is dissolved in 125 grams of water with both substances at 25.0°C. If the final temperature of the mixture is 39.2 °C.
What is meant by the term lower in energy? Which is lower in energy, a mixture of hydrogen and oxygen gases or liquid water? How do you know?
What is the rate of consumption of O2 in a combustion reaction carried out in a 11.00 L flask if 6.30 mmol of oxygen is consumed in 25.6 s?
The molecular formula is C4H10N2. •There are no ? bonds in the structure. •The compound has no net dipole moment. •The compound exhibits very strong hydrogen bonding.
Calculate the volume of air at 26 degrees Celsius and 0.92 atmosphere that is needed to burn completely 11.47 grams of pentane.
The wavelength of maximum absorbance is solvent dependent. in water, the wavelength of maximum absorbance is 453 nm.
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