Chemistry, 07.10.2020 07:01, clickbaitdxl
Small pieces of copper at 100.0°C are placed in 110.0 g of water at 25.0°C in a perfectly insulated calorimeter. The water and copper reach the same final temperature. The initial and final
Temperatures of the water are shown
Which of the following statements about thermal energy transfer in the experiment is correct?
Answers: 2
Chemistry, 22.06.2019 07:20, rscvsdfsrysas1857
The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.
Answers: 1
Chemistry, 22.06.2019 09:30, psychocatgirl1
Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone, due to its high light availability and warm water temperature
Answers: 3
Chemistry, 23.06.2019 04:00, izzyp619
What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.
Answers: 3
Chemistry, 23.06.2019 05:40, shelbylynn1093
Why is it incorrect to balance a chemical equation by changing the subscripts? explain.
Answers: 2
Small pieces of copper at 100.0°C are placed in 110.0 g of water at 25.0°C in a perfectly insulated...
Mathematics, 28.06.2019 10:40
Mathematics, 28.06.2019 10:40
Mathematics, 28.06.2019 10:40