Who wrote the first modern chemistry textbook?

Who wrote the first modern chemistry textbook?

Antoine Lavoisier (lah-vwah-ZHAY), 1743-1794, introduced quantitative measurement into the study of chemistry with his discovery of the law of conservation of mass. He discovered the role of oxygen in combustion and established the principles for naming chemicals. He wrote the first modern chemistry textbook in 1789.

Are zebras black with white stripes or white with black stripes?

Many zoologists would say that a zebra is white because its stripes end towards the belly and the belly is mostly white. Others would say that a zebra is black because if you shaved all the fur off a zebra the skin is mostly black. So it really depends on how you want to look at it.

Who was the first president of all 50 states in the US?

Dwight D. Eisenhower was the first President of all 50 states. Hawaii, the 50th state, entered the union on August 21, 1959, during the Eishenhower’s second term. Eisenhower was also the first President to hold a pilot’s license.

How far is it from home plate to second base?

Base Paths/Distance – The infield shall be a 90 foot square. When location of home base is determined, with a steel tape measure 127 feet, 3 3/8 inches in desired direction to establish second base. The distance between first base and third base is 127 feet, 3 3/8 inches.

What team did Michael Jordan play for in college?

After a three-season career at the University of North Carolina at Chapel Hill, where he was a member of the Tar Heels’ national championship team in 1982, Jordan joined the NBA’s Chicago Bulls in 1984.

Is Blue the hottest flame color?

Color tells us about the temperature of a candle flame. The inner core of the candle flame is light blue, with a temperature of around 1670 K (1400 °C). That is the hottest part of the flame. The color inside the flame becomes yellow, orange, and finally red.

How many licks does it take to get to the center of a Tootsie Pop?

Using a proprietary “licking machine,” a team of engineers at Purdue University determined that it takes exactly 364 licks to get to the center of a Tootsie Pop, not 3 like Mr. Owl says.

What state borders eight other states?

Tennessee and Missouri each share borders with eight states. Here are the states with their neighbors, listed clockwise. Tennessee: Kentucky, Virginia, North Carolina, Georgia, Alabama, Mississippi, Arkansas, and Missouri. Missouri: Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas, and Nebraska.