What is the purpose of a spectroscope?
A. to spread light into different wavelengths
B. to st...
Chemistry, 26.02.2021 23:10 veroushkarose7326
What is the purpose of a spectroscope?
A. to spread light into different wavelengths
B. to study a star's composition
C. to study a star's temperature
D. all of the above
Answers: 1
Chemistry, 22.06.2019 07:30
In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids
Answers: 2
Chemistry, 22.06.2019 17:50
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
Chemistry, 22.06.2019 18:30
Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
Answers: 3
Chemistry, 23.06.2019 01:00
Wind and moving water provide energy. chemical mechanical thermal none of the above
Answers: 1
Biology, 22.01.2021 07:10
Mathematics, 22.01.2021 07:10
Mathematics, 22.01.2021 07:10
English, 22.01.2021 07:10
Biology, 22.01.2021 07:10
Mathematics, 22.01.2021 07:10
Mathematics, 22.01.2021 07:10
Physics, 22.01.2021 07:10
Biology, 22.01.2021 07:10
English, 22.01.2021 07:10
Mathematics, 22.01.2021 07:10
Arts, 22.01.2021 07:10