Biology, 25.01.2020 04:31, luislopez05
When dissolving a metal in sulfuric acid, hydrogen, a highly flammable gas, is given off. you are dissolving equal amounts of different metals to compare the volume of hydrogen gas produced. for safety purposes, your teacher tells you to wear an apron, gloves, and goggles. which of the following safety procedures would also be needed?
a. avoid sparks or open flames.
b. wear a gas mask.
c. work away from direct sunlight.
Answers: 2
Biology, 21.06.2019 22:00, davidsouth444
Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?
Answers: 2
Biology, 22.06.2019 00:00, tylerchitwood211
The table below shows the number of foot bones in some horse fossils. horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s
Answers: 3
When dissolving a metal in sulfuric acid, hydrogen, a highly flammable gas, is given off. you are di...
Mathematics, 06.07.2019 22:00
Biology, 06.07.2019 22:00
Mathematics, 06.07.2019 22:00