Asubstance has a freezing point of 24 °c. which of the following is true for the substance?
when the substance is heated, its temperature will start rising above 24 °c after 50% of the liquid has changed to vapors.
when the substance is heated, its temperature will start rising above 24 °c after 100% of the solid has changed to liquid.
when the substance is cooled, its temperature will fall below 24 °c after 100% of the vapors have changed to liquid.
when the substance is cooled, its temperature will fall below 24 °c after 50% of the liquid has changed to solid.

What is the polyatamic ion of borate

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

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