Where were the best viking swords manufactured? a China b Europe c India d Netherlands

Which statement is true about sand and baking soda? Both are mixtures. Both are pure substances. Sand is a mixture and baking soda is a pure substance. Sand is a pure substance and baking soda is a mixture.

A double carbon-carbon bond is found in a molecule of (1) pentane (3) pentyne (2) pentene (4) pentanol

Which of these is a case of selective breeding? Question 4 options: Over time, more milk cows at the diary farm began to produce larger amounts of milk. A gene was identified that increased milk production. This gene was added to calves in the womb.

The atmospheric pressure in Francisco on ascertain day was 97.6kpa what was the pressure on mmhg

The liquid component that makes up the largest part of a solution is called the, and the substance that is dissolved is called the.

Which two properties are characteristic of ionic compounds?

explain why the hydrogen atoms in a hydrogen gas molecule form nonpolar covalent bonds but the oxygen and hydrogen atoms in water molecules form polar covalent bonds

The equation 2 N O 2 in equilibrium with N 2 O 4 represents a system,

How does the calorie compare to the metric unit the joule? How do you calculate a calorie? Is it the same for all types of food?

Under which conditions would the solubility of a gas be greatest? A. high pressure and high temperature B. high pressure and low temperature C. low pressure and high temperature D. low pressure and low temperature