If 20ml of 0.1M Naoh is added to 30ml of 0.2m ch3cooh (ka=4.74), the ph of the resulting solutions is

a) 4.44 b) 9.56. c) 5.04. d) 8.96

What is a characteristic of every combination reaction?

What is a monoatomic molecule

Which of the following statements will decrease the amount of work the system could perform? (a) Add to the solution (b) Add solid NaOH to the reaction (assume no volume change) (c) Increase the concentration of the (d) Selectively remove (e) Add to

What is the Dalton's description of an atom? List daltons atomic theory?

If Earth was like a hardboiled egg, which part of Earth would the egg shell represent and why? Crust, as its depth is up to 3,000 kilometers Mantle, as its depth is up to 3,000 kilometers Mantle, as its depth is less than 100 kilometers Crust, as

A covalent chemical bond is one in which outer-shell electrons of two atoms are shared so as to satisfactorily fill the outer electron shells of both atoms. protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms.

To break a chemical bond, energy must be (1) absorbed (2) destroyed (3) produced (4) released

In an experiment, 132 grams of potassium bromide (KNO3) was dissolved in 100 grams of water at 70 °C in 1 minute.

Would an ice cube melts faster when you put food coloring on it

Use the following half-reactions to design a voltaic cell: Sn4 + (aq) + 2 e - → Sn2 + (aq) Eo = 0.15 V Ag + (aq) + e-→ Ag (s) Eo = 0.80 V What is the overall cell potential? Group of answer choices