Chemistry, 20.07.2020 01:01 puppystar159p51vxk
All of the following are balanced equations. State the
number of atoms of each element in the reactants and in
the products.
a. 2Na(s) + Cl2(8) =2NaCl(s)
b. PC13(1) + 3H2(8) =PH3(8) + 3HC1()
c. P4010(s) + 6H2O(l) =4H3PO4(aq)
Answers: 2
Chemistry, 22.06.2019 00:30
Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants
Answers: 1
Chemistry, 22.06.2019 09:00
Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
Answers: 1
Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
All of the following are balanced equations. State the
number of atoms of each element in the rea...
Mathematics, 09.05.2021 08:30
Mathematics, 09.05.2021 08:30
Computers and Technology, 09.05.2021 08:30
Physics, 09.05.2021 08:30
Biology, 09.05.2021 08:40
Arts, 09.05.2021 08:40
Mathematics, 09.05.2021 08:40
Mathematics, 09.05.2021 08:40
Mathematics, 09.05.2021 08:40
Mathematics, 09.05.2021 08:40
Chemistry, 09.05.2021 08:40
Mathematics, 09.05.2021 08:40