Look at the data in Figure 1. A sample of potassium-40 has decayed for 2.6 billion years. What is the ratio of potassium-40 to argon-40 in the sample?

Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %

What can be found in the ionosphere

What is the formula of the ionic compound composed of calcium cations and chloride anions