Chemistry, 06.04.2020 04:25 QueenB7591
For a sample of stomach acid that is 2.53×10−2 M in HCl, how many moles of HCl are in 19.8 mL of the stomach acid?
Answers: 3
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Chemistry, 22.06.2019 21:00
Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon
Answers: 1
Chemistry, 22.06.2019 22:30
Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt
Answers: 1
For a sample of stomach acid that is 2.53×10−2 M in HCl, how many moles of HCl are in 19.8 mL of the...
Mathematics, 15.02.2022 02:00
English, 15.02.2022 02:00
Social Studies, 15.02.2022 02:00
Mathematics, 15.02.2022 02:00
Mathematics, 15.02.2022 02:00
Mathematics, 15.02.2022 02:00
Biology, 15.02.2022 02:00
Mathematics, 15.02.2022 02:00
English, 15.02.2022 02:00
Mathematics, 15.02.2022 02:00
Mathematics, 15.02.2022 02:00
Chemistry, 15.02.2022 02:00
English, 15.02.2022 02:00