What is the function of the cell nucleus found in both plant and animal cells

1. to produce energy

2. to control cell activity

3. to remove waste products

4. to allow molecules to enter the cell

Why does the chair in which you are currently sitting retain its same shape over time? Question options: The particles of the chair are strongly held together. The chair is lower in energy than the surrounding environment.

What gives the gem amethyst its purplish color?

A Buffer Solution is 0.100 M in both HC7H5O2 and LiC7H5O2 and has a pH of 4.19. Which of the following pH values would you expect from the addition of a small amount of a dilute solution of a strong base? - 3.89 - 3.69 - 5.69 - 4.

An aqueous solution in a 55 gallon (208 l drum), characterized by minimal buffering capacity, received 4kg of phenol and 1.5 kg of sodium phenate. What is the ph of the solution. The pka of phenol = 9.98.

A block of iron is in a glass of water and both the iron and water are the same temperature, describe the energy transfer between the water and iron

A chemistry student was asked to draw the electron configuration for carbon. Explain what is wrong with the electron configuration below. What rule did the student violate (Aufbau principle, Pauli Exclusion principle, or Hund's rule) ? 1s22s23p2

During a laboratory experiment, 36.12 grams of Al2O3 was formed when O2 reacted with aluminum metal at 280.0 K and 1.4 atm. What wa volume of O2 used during the experiment? 302 + 4A1 - 2A1203

The relative abundance of the two isotopes is 99.9999 percent and 0.0001 percent, respectively. 1.0066 amu 3.0160 amu 3.5903 amu 4.0026 amu

Which real world scensories below respent physical changes check all that apply

Why are bacteria are able to evolve rapidly