06-01-2017
Chemistry

contestada

two substances are poured into a cup and a reaction occurs. a thermometer is paced in the cup and the temperature in the surrounding area begins to drop. based on this information, was the reaction exothermic or endothermic?

Respuesta :

Alkatoe Alkatoe

06-01-2017

endothermic because it 'sucks' the energy and that's why temperature drops

Answer Link

Otras preguntas

apple company compares its first quarter sales revenue for the current year with its previous year's first quarter sales revenue. this is an example of what typ

interperiod equity and accountability are two basic ingredients of the governmental accounting system; however, to be more accountable budgets requires close to

When an object is in a gravitational field, it has energy in its __________ __________ energy store. What two words complete the sentence?.

what are the important things that we have to do to make our country prosperous

once a company has decided to enter the global marketplace, it must select a means of market entry. one of the four general options is multiple choice cooperati

which information in the preoperative patient's medication history is most important to communicate to the health care provider?

public television periodically runs pledge drives to raise money. only a small percentage of the people who benefit from public television are willing to pay. w

What causes the electrons to move and form static electricity? 1. contact between two substances 2. Moist air 3. friction

when comparing the difference between means for two distributions, which of the following describes the relationship between effect size and variability within

What special claim does this advertisement make for Airtime markers