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Approximately how long would it take for a telephone signal to travel 3000 mi from coast to coast across the United States? (Telephone signals travel at about the speed of light.) What are the wavelength limits of the audible range of the sound spectrum? (Use the speed of sound in air.)
Reductive amination can be used to form primary, secondary, and tertiary amines. Secondary amines are more basic than primary amines due to extra electron donation by the alkyl groups.
how many moles of bcl3 are needed to produce 25.0 g of hclaq in the following reaction?bcl3g 3 h2ol rarr 3 hclaq
Draw an arrow pushing mechanism for the formation of the acylium ion when acetic anhydride reacts with phosphoric acid.
How many moles of oxygen gas are required to completely react with 6.20 moles of carbon according to the balanced reaction equation shown below?
Complete and balance the following equations, and identify the oxidizing and reducing agents. (Recall that the O atoms in hydrogen peroxide, H2O2, have an atypical oxidation state.)
Suppose the elements X and Y form a compound that is 60% Y and 40% X (by mass). Define the atomic mass of X is twice that of Y
calculate the specific heat capacity(cs) for the metal, and show your work..identify the metal among the following choices
27.5 grams of hydrogen chloride is dissolved into 70.0 ml of water. Calculate the mole fraction for the hydrogen chloride that is dissolved in the water.
question a 10.0 ml diluted chloride sample required 44.89 ml of 0.01982 m agno3 to reach the fajans end point. how many
Vapor Pressure due to water at 24oC: 22.4 torr For the conditions listed above, calculate the volume of O2(g) produced at standard conditions of temperature and pressure.
The normal freezing point of n-octane (C8H18) is -57 °C. Is the freezing of n-octane an endothermic or exothermic process? In what temperature range is the freezing of n-octane a spontaneous process?
If 1.0 mL of vinegar needs 22.5 mL of 0.195 M NaOH to reach the equivalence point in the titration, what is the molarity of the original vinegar solution?
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