Which of the following would be the best indicator dye to use to detect a pH = 10?

A. Bromcresol green

B. Methyl orange

C. Bromthymol blue

D. Thymolphthalein

Why do vegetable oils make good fuels

A neutral atom has 2 electrons in the first energy level and 3 electrons in the second energy level. Which atom is this? Helium Boron Beryllium Carbon

1. Which weather instrument is used to measure air temperatures recorded on a weather map? (1) anemometer (3) thermometer (2) wind vane (4) barometer

Food is pushed into your stomach by

Which subatomic particles are located in the nucleus of an He-4 atom? (1) electrons and neutrons (2) electrons and protons (3) neutrons and protons (4) neutrons, protons, and electrons

Change 5.20 moles of c3h6o2to grams

What factors can make atoms unstable

Nitrogen (N), oxygen (O), chlorine (Cl), neon (Ne), and argon (Ar) are all elements that occur as a gas at room temperature (20°C). Using the periodic table, which pair of gases has the most similar properties?

what will be the new volume of a 250mL sample of gas at 300 k and 1 atm if heated to 350 k at 1 atm law use:

Which statement describes the chemical property of oxygen