Chemistry, 01.08.2019 03:00 maciemarklin3032
Braddy connected the lose wire to the battery and created an electromagnet. he picked up 45 thumb tacks with his electromagnet, though his goal was to pick up 50 thumb tacks. what could braddy do to increase the strength of his electromagnet and pick up more thumbtacks? a) use fewer coils of wire. b) use a screw instead of a nail. c) use two batteries instead of one. d) replace the nail with a piece of steel.
Answers: 2
Chemistry, 21.06.2019 14:20
Which of the following statements is not true? • a. covalent compounds have low melting and boiling points. • ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. • c. covalent bonds occur between nonmetals. • d. covalent compounds are often gases or liquids.
Answers: 2
Chemistry, 22.06.2019 00:30
You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
Answers: 1
Chemistry, 23.06.2019 04:00
Which method would be best to separate a mixture of sand and gravel
Answers: 1
Chemistry, 23.06.2019 05:30
Stoichiometry- i need with 14 and 15! an explanation would be appreciated!
Answers: 1
Braddy connected the lose wire to the battery and created an electromagnet. he picked up 45 thumb ta...
Mathematics, 22.11.2020 08:40
Social Studies, 22.11.2020 08:40
Mathematics, 22.11.2020 08:40
Chemistry, 22.11.2020 08:40
Mathematics, 22.11.2020 08:40
Mathematics, 22.11.2020 08:40
Mathematics, 22.11.2020 08:40
Mathematics, 22.11.2020 08:40
Geography, 22.11.2020 08:40
Biology, 22.11.2020 08:40
Computers and Technology, 22.11.2020 08:40
Mathematics, 22.11.2020 08:40
Mathematics, 22.11.2020 08:40