Molarity of a solution-h2o
What is the molarity of a solution of 12.0 g of NH4Br in enough H2O to make 240 mL of solution?
Answer in units of M.
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Determine the surface temperature of the wire during a windy day when the air temperature is 10°C and the wind is blowing across the transmission line at 50 km/h.
What is the normal boiling point in of ethyl alcohol if a solution prepared by dissolving 26.0 of glucose in 285 of ethyl alcohol has a boiling point of 79.1? kb of alcohol is 1.22
The circuit in figure 28.49 has been connected for several seconds, find current in (a). in the 4.00 volts battery, (b). in the 3.00 ohm resistor, (c). in the 8.00 volts battery, (d). in the 3.00 volts battery and (e). find the charge on the
How many milliliters of 0.0898 M NaOH are required to titrate the 25.00 mL of benzoic acid solution in the flask to the equivalence-point?
The components of an electronic system dissipating 220 W are located in a 1-m-long horizontal duct whose cross section is 16 cm x 16 cm.
In one city, a balloon with a volume of 6.0 L is filled with air at 101 kPa pressure. The balloon in then taken to a second city at a much higher altitude. At this second city, atmospheric pressure is only 91 kPa. If the temperature is the same in
What approximate minimum BER is required for voice signals, data signals and what is the approximate BER level for the optical fiber systems ?
List all stable isotopes of Xenon and at least 4 unstable ones. Give the decay-channels, their end products and their half-life. (Use no abbreviations).
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