Ratio of the concentration of carbonic acid
The pH of a bicarbonate-carbonic acid buffer is 8.00. Calculate the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-).
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A Federation starship ( 2.20×106 kg) uses its tractor beam to pull a shuttlecraft ( 1.80×104 kg) aboard from a distance of 14.0 km away. The tractor beam exerts a constant force of 4.0 times 10^{4};{rm N} on the shuttlecraft. Both spac
Arnies data plot has a greater negative slope than Bill's. Which student will record the higher activation energy for the reaction? describe reasoning
What is the partial pressure of hydrogen and nitrogen when the gas mixture is composed of 8.00 g hydrogen and 56 grams nitrogen. The mixture is contained in a 60.0 container at 27 degrees celsius.
The ionic substance T3U2 ionizes to form T2+and U3- ions. The solubility of T3U2 is 4.24× 10-20 mol/L. What is the value of the solubility-product constant?
Describe 1 characteristic that you possess that you believe is due to nature and another characteristic that you believe is due to nurture. Explain why you believe the characteristic reflects nature or nurture.
What is the magnitude of the impulse applied to the golf ball by the floor? (Hint: Note that only the vertical component of the ball's momentum changes during impact with the floor, and ignore the weight of the ball.)
At 25 °C and 775 Torr, carbon dioxide has a solubility of 0.0347 M in water. What is its solubility at 25 °C and 2010 Torr?
What is the boiling point of a solution produced by adding 630 of cane sugar (molar mass 342.3 ) to 1.1 of water? For each mole of nonvolatile solute, the boiling point of 1 of water is raised 0.51.
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