Answer:
C.) 76.1 grams
Explanation:
To find the mass of bromine, you need to (1) convert grams AlCl₃ to moles AlCl₃ (via molar mass), then (2) convert moles AlCl₃ to moles Br₂ (via mole-to-mole ratio from reaction coefficients), and then (3) convert moles Br₂ to grams Br₂ (via molar mass). It is important to arrange your ratios/conversions in a way that allows for the cancellation of units (the desired unit should be in the numerator).
Molar Mass (AlCl₃): 26.982 g/mol + 3(35.453 g/mol)
Molar Mass (AlCl₃): 133.332 g/mol
2 AlCl₃ + 3 Br₂ --> 2 AlBr₃ + 3 Cl₂
Molar Mass (Br₂): 2(79.904 g/mol)
Molar Mass (Br₂): 159.808 g/mol
42.3 g AlCl₃ 1 mole 3 moles Br₂ 159.808 g
------------------ x ----------------- x ---------------------- x ------------------- =
133.332 g 2 moles AlCl₃ 1 mole
= 76.0 g Br₂
*Our answers are slightly different most likely because we used slightly different molar masses*
As bond number increases (double bonds rather than single, triple rather than double etc. ), bond length decreases and bond energy increases
Reason-Charges that are spaced apart are described by a dipole moment. There are two critical criteria that must be taken into account when assessing if a molecule has a dipole moment. It must first possess polar covalent bonds. The individual dipoles must not cancel out in the molecular structure, which is the second requirement. Because Br2 is not a polar molecule, it lacks a polar covalent bond.A bond number is a simple addition of two numbers that total the sum. Using number bonds, one can quickly determine the answer without performing any calculations. We can see from the example that when we see a number bond, we know the answer without having to calculate.
Learn more about bond number here:
brainly.com/question/10429880
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Answer:
12,096 mg of antibiotics
Explanation:
cuz honeyyy:
160lb=72 kg
6mg twice a day so daily 12mg
12mg per kg so 12×72 =864
for 14 days is :864×14=12,096
Answer:
2 ch3oh(l) + 3 o2(g)
Explanation:
because they are at the beginning and they are what are being changed.
