Chemistry, 27.04.2021 16:50 kobeprewitt02
Narysuj model i wzory cząsteczki tlenku węgla (IV): sumaryczny i strukturalny;
wymień właściwości tlenku węgla (IV) (spróbuj je podzielić na chemiczne i fizyczne);
napisz, jak można otrzymać tlenek węgla (IV) i jak można zbadać jego właściwości;
wyjaśnij, czy dwutlenek węgla jest pożyteczny czy szkodliwy;
Wyjasnij dlaczego zawartość dwutlenku węgla ( CO2} JEST WIĘKSZA W DOLNYCH WARSTWACH atmosfery
Answers: 3
Chemistry, 22.06.2019 06:00
In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit
Answers: 2
Chemistry, 22.06.2019 15:30
What best discribes the relationship between wavelength and frequency in a electromagnetic wave
Answers: 1
Chemistry, 22.06.2019 17:10
Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]
Answers: 2
Chemistry, 22.06.2019 21:50
28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action
Answers: 1
Narysuj model i wzory cząsteczki tlenku węgla (IV): sumaryczny i strukturalny;
wymień właściwośc...
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