Physics, 19.05.2021 18:30 pepethefrog3
Students in a science class observed that when a strip of Magnesium (Mg) metal was placed in a test tube containing Hydrobromic acid (HBr), the Magnesium began to bubble as hydrogen gas and Magnesium Bromide are formed.
Which of the following choices show both the correctly balanced equation and identify the type of reaction?
A.
Mg+2HBr →H2+MgBr2 (synthesis)
B.
2Mg+HBr →H2+2MgBr2 (decomposition)
C.
Mg+2HBr →H2+MgBr2 (single replacement)
D.
Mg+2HBr →2H2+MgBr2 (double replacement)
Pls answer correctly I really need a good grade on this
Answers: 1
Another question on Physics
Physics, 22.06.2019 13:50
9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.
Answers: 1
Physics, 23.06.2019 01:00
Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80
Answers: 1
Physics, 23.06.2019 05:00
Which factor listed below most likely results in the loss of genetic variation from small populations? question 2 options: mutation migration genetic recombination genetic drift
Answers: 3
You know the right answer?
Students in a science class observed that when a strip of Magnesium (Mg) metal was placed in a test...
Questions
English, 11.04.2021 18:20
Social Studies, 11.04.2021 18:20
Mathematics, 11.04.2021 18:20
English, 11.04.2021 18:20
Mathematics, 11.04.2021 18:20
English, 11.04.2021 18:20
Mathematics, 11.04.2021 18:20
Mathematics, 11.04.2021 18:20
Business, 11.04.2021 18:20
