Chemistry, 30.10.2019 09:31 artsycentury
When 12.36g of calcium trioxo carbonate (iv) was added to excess dilute hydrochloric acid carbon (iv) oxide was evolved. the entire reaction took 7 minutes. calculate the rate of reaction?
Answers: 1
Chemistry, 22.06.2019 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
Answers: 2
Chemistry, 22.06.2019 22:10
Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.
Answers: 1
Chemistry, 22.06.2019 23:10
Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.
Answers: 3
Chemistry, 23.06.2019 00:30
Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
Answers: 2
When 12.36g of calcium trioxo carbonate (iv) was added to excess dilute hydrochloric acid carbon (iv...
Biology, 19.09.2019 08:30
English, 19.09.2019 08:30
Mathematics, 19.09.2019 08:30
Physics, 19.09.2019 08:30
Mathematics, 19.09.2019 08:30
Computers and Technology, 19.09.2019 08:30
Social Studies, 19.09.2019 08:30
English, 19.09.2019 08:30
Biology, 19.09.2019 08:30