A student doing this experiment obtained the data

shown in the table above. The value of the

constant, k, for this data is

In the 1830s, two scientists named Matthias Schleiden and Theodor Schwann stated a theory we now call the cell theory. Which of these statements is part of the cell theory? a All cells look the same. b Cells sometimes arise by spontaneous generation.

a gas cylinder contains 2.0 mol of gas X and 6.0 mol of gas Y at a total pressute of 2.1 atm. what is he partial pressure of gas Y?

Explain the process of saponification?

The charge of B is + 3 and the charge of O is - 2. What is its formula? A) B3O2 B) B2O3 C) O2B3

Sulphuric acid is a strong acid but acetic acid is weak acid why

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