Enter the chemical formula of a binary molecular compound of hydrogen and a Group 4A element that can reasonably be expected to be less acidic in aqueous solution than GeH4 , e. G. Have a smaller Ka.

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

Imagine that twenty i.u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?

Which of the following is true about the speed of light? it depends on the wavelength.