What could cause a experiment to be less reliable

Butanal and butanone have different chemical and physical properties primarily because of differences in their (1) functional groups (2) molecular masses (3) molecular formulas (4) number of carbon atoms per molecule

An atom of boron has an atomic number of 5 and an atomic mass of 11. The atom contains 5 protons, 6 electrons, and 5 neutrons. 11 protons, 11 electrons, and 5 neutrons. 5 protons, 5 electrons, and 6 neutrons. 11 protons, 6 electrons, and 6 neutrons.

What happens when you open a bottle of perfume?

You try to measure out exactly 5.0 milliliters of water by eye into each of five test tubes. When you go back to check the volume in each test tube, you find the amounts to be 4.8 mL, 5.3 mL, 5.1 mL, 4.9, and 4.7 mL.

What kind of data would you need to collect to do this experiment?

Compare how an increase in wavelength affects sounds and light waves.

The addition of an acid to water increases the [H30*) of the solution and increases the solution pH. True or False True False

31.65 mL volume of 1.07 M Fe (NO3) 3 is mixed with 44.96 mL of 0.79M Fe (NO3) 3 solution. Calculate the molar concentration of the final solution. Save rounding until the end.

At standard pressure, during which physical change does the potential energy decrease?

How are inner and outer planets different?