Chemistry, 22.02.2021 01:40 xmanavongrove55
hello myfriendz una pregunta la cerveza es una sustancia pura o una mezcla? me ayudan por favor! y si es una sustancia pura es un elemento o un compuesto, y si es mezcla homogénea o heterogénea? thanks
Answers: 2
Chemistry, 22.06.2019 01:40
Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.
Answers: 1
Chemistry, 22.06.2019 12:40
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
Answers: 2
Chemistry, 22.06.2019 14:30
What state of matter is ice a. liquid b. element c. solid d. gas
Answers: 1
hello myfriendz una pregunta la cerveza es una sustancia pura o una mezcla? me ayudan por favor! y s...
Biology, 18.04.2020 01:04
Mathematics, 18.04.2020 01:04
History, 18.04.2020 01:04
English, 18.04.2020 01:04
English, 18.04.2020 01:04
Mathematics, 18.04.2020 01:04
Biology, 18.04.2020 01:04
History, 18.04.2020 01:04
Mathematics, 18.04.2020 01:04