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Oduvanchick [21]
3 years ago
6

Migraine Study Results

Chemistry
2 answers:
faust18 [17]3 years ago
6 0
It was used as a placebo (fake) to trick the group into believing they were receiving the medication.
Hope this helps!<span />
salantis [7]3 years ago
4 0

Answer:A Control Group

Explanation:

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la longitud de un cable de aluminio es de 30 m a 20 C. Sabiendo que el cable es calentado hasta 60 C y que el coeficiente de dil
Grace [21]

Answer:

30cm

Explanation:

6 0
3 years ago
Which of the following is the correct name for the compound mgbr2? magnesium bromate magnesium bromide magnesium dibromide magne
Sergeeva-Olga [200]
Correct answer is magnesium bromide. This is an ionic compound with metal forming a positive ion - K+ and halogen forming a negative ion - Br-. When group 7 element form ions they have a suffix -ide. Bromine is the element and when it forms a negative ion bromine is called bromide with the suffix.
Magnesium gives 2 electrons and bromine can take only 1 electron, therefore 2 bromine atoms are needed. Therefore magnesium forms ionic bonds with 2 bromine atoms.
The compound is called magnesium bromide
6 0
3 years ago
Write down moleculer formula:
Temka [501]
1. Ca(HCO3)2
2.Ca(HCOO)2
3. Ca(OH)2
4.NaOH
5.KCI
6.MgSO4
7.PbO
8.HCl
9.HNO3
10.H2SO4
11.NH3
12.(NH4)3PO4
13.NaOH
:)
5 0
3 years ago
Read 2 more answers
Which of the following are examples of conservable quantities? a. potential energy and length c. mechanical energy and mass b. m
Blababa [14]

Answer:

b

Explanation:

7 0
3 years ago
What are the masses of the four different BrClBrCl molecules? Express the masses in atomic mass units using six significant figu
Sliva [168]

Answer ; The question is missing in some details, but here are he details ;

The two naturally occurring isotopes of bromine are

81Br (80.916 amu, 49.31%) and

79Br (78.918 amu, 50.69%).

The two naturally occurring isotopes of chlorine are

37Cl (36.966 amu, 24.23%) and

35Cl (34.969 amu, 75.77%).

Bromine and chlorine combine to form bromine monochloride, BrCl.

Explanation:

The detaile calculation is as shown in the attachment.

6 0
3 years ago
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