Chemistry, 09.01.2020 10:31 chahdhamdy
Virginia’s blue ridge mountains were once among the tallest in the world, similar in altitude to the himalayas of today. this would still be the case if not for the process of a) erosion. b) folding. c) volcanism. d) metamorphism.
Answers: 2
Chemistry, 21.06.2019 23:00, brapmaster764
What is the formula that this ionic compounds could form sr2+p3-o2-
Answers: 3
Chemistry, 21.06.2019 23:30, mastershadow2018
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
Answers: 2
Chemistry, 22.06.2019 23:30, lizdeleon248
The sum of the oxidation numbers in a neutral compound is always
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Chemistry, 23.06.2019 02:50, igraha17
Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ
Answers: 2
Virginia’s blue ridge mountains were once among the tallest in the world, similar in altitude to the...
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