Chemistry, 11.02.2020 21:03 mahmudabiazp3ekot
A certain element consists of two stable isotopes, one with mass 10.0129 with an abundance of 19.78%, and the second with mass 11.00931 and an abundance of 80.22%. What is the element?1. O2. B3. Cl4. H
Answers: 3
Chemistry, 22.06.2019 14:50, alexabbarker9781
How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
Answers: 1
Chemistry, 22.06.2019 15:30, neariah24
Plz me ! 1 which of earths spheres contains most of its mass? a atmosphere b hydrosphere c geosphere* d biosphere 2 erosion and weathering are examples of which types of forces? a constructive forces b destructive forces* c gravitational forces d inertia-related forces 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give
Answers: 1
Chemistry, 22.06.2019 19:00, Farhan54019
Which change to the system wood cause the freely-moving piston to lower?
Answers: 1
A certain element consists of two stable isotopes, one with mass 10.0129 with an abundance of 19.78%...
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