Earth's atmosphere is composed of gases. The most abundant gas in the atmosphere is .
Question 1 options:

water vapor

carbon dioxide

oxygen

nitrogen

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.