Examine the chemical equation: C17H170N3(s) + 2C4H603(1) -->
C2182105N(s) + 2C2H4O2(1)Does the equation describe a chemical
change or a physical change? Explain.

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .

Which of the following is a physical property flammability heat of combustion solubility and toxicity

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c