What is it called when scientists quantify their observations of their surroundings

stomach acid contains dilute hydrochloric acid write a chemical equation to show the neutralization of stomach acid by milk of magnesia

Consider the given acid ionization constants. identify the strongest conjugate base. acid ka hno2 (aq) 4.6*10-4 hcho2 (aq) 1.8*10-4 hclo (aq) 2.9*10-8 hcn (aq) 4.9*10-10 part a no-2 (aq) cho-2 (aq) cn - (aq) clo - (aq)

An enzyme is participating in a general acid-base catalysis reaction with an optimal reaction pH of 6.0. If acid is added to the environment reducing the pH to 3, what is the likely impact to the rate of reaction A.

Carbon disulfide burns in oxygen to yield carbon dioxide and sulfur dioxide according to the chemical equation cs2 (ℓ) + 3 o2 (g) - → co2 (g) + 2 so2 (g). if 1.25 mol of cs2 is combined with 0.57 mol of o2, identify the limiting reactant.

What's the oxidation number of cu (no3) 2

What will most likely happen when a warmer air mass exists above a polar ice sheet? The temperature of the ice sheet will be lowered. Heat will be transferred from the air mass to the ice. The air mass will exert high pressure and rise upwards.

A 2.00 L sample of gas at 35 C is to be heated at constant pressure until it reaches a volume of 5.25 L. To what Kelvin temperature must this sample be heated?

Of the following reactions, which one produces oxygen gas? Fermentation Anaerobic respiration Aerobic respiration Photosynthesis

Describe the electrodes in this iron-copper galvanic cell.

What happens to wood when it burns?