Rather than combine 4.00 g of Na2SO4 (142.04 g/mol) with a solution containing 10.0 g of H2SO4 (98.08 g/mol), a student accidentally uses 6.00 g of sodium sulfide (78.05 g/mol) with the acid. The acid reacted with the sodium sulfide to produce highly toxic hydrogen sulfide gas. How many moles of hydrogen sulfide (34.08 g/mol) were produced

One does not belong why? ice, gold ,wood ,diamond and table salt

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

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