Chemistry, 19.12.2019 05:31 KAITLYN007
`you have to be careful about pouring drano down your pipes since it is mainly hydrochloric acid--you can't do it if they are made of aluminum because it will dissolve them! you can't acid clean your aluminum auto parts for the same reasons: 2 al + 6 hcl → 2 alcl3 + 3h2. if you were able to dissolve 10.0 mol of al, how many many moles of hydrogen gas could you make? note: all numbers located immediately after elemental symbols should be considered subscripts.
a. 3.00 moles
b. 6.00 moles
c. 1.50 moles
d. 15.0 moles
e. none of the above
Answers: 2
Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
Chemistry, 22.06.2019 17:30
Consider the story you just read. all but one of the choices below indicate that something is living.
Answers: 1
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
`you have to be careful about pouring drano down your pipes since it is mainly hydrochloric acid--yo...
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