Given that the pKabH of a weak base is 4.7, and given that Keq for the reaction between the weak base and a weak acid is 2.3 LaTeX: \times×10-6 (see below), what is the pKaHA of the weak acid? Enter your answer to the nearest tenth. Assume the temperature is 25 °C. Also, the value of R, the gas constant, is 1.987 cal/KLaTeX: \cdot⋅mol.

Which one of the following gases is not an important component of soil?

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process