A attract a core pair of electrons toward itself
Answer:
The mass percentage of bromine in the original compound is 81,12%
Explanation:
<u>Step 1: Calculate moles AgBr</u>
moles AgBr = mass AgBr / molar mass AgBr
= 0.8878 g / 187.77 g/mol
= 0.00472812 moles AgBr
⇒
Since 1 mol AgBr contains 1 mol Br-
Then the amount of moles Br- in the original sample must also have been 0.00472812 moles
<u>Step 2:</u> Calculating mass Br-
mass Br- = molar mass Br x moles Br-
= 79.904 g/mol x 0.00472812 mol
= 0.377796 g Br-
⇒
There were 0.377796 g Br- in the original sample
<u>Step 3:</u> Calculating mass percentage Br-
⇒mass percentage = actual mass Br- / total mass x 100%
% mass Br = 0.377796 g / 0.4657 g x 100 %
= 81.12%
Answer:The nervous system or the neural system is a complex network of neurons specialized to carry messages. The complexity of the nervous system increases as we move towards higher animals.
Explanation:
Answer:
7
Explanation:
just add p has 1 o has 4 and h has 2
Answer:
D). She should use a bar graph. The bottom of each bar should be labeled with the category of garbage. The vertical side should have a scale and be labeled "kilograms per year."
Explanation:
Bar graphs are characterized as the graphic tool which are primarily employed to establish comparison between various groups or to observe the changes occurred over time.
As per the question, the environmental scientist must opt for the 'bar graph' as it will assist her in displaying the data of various categories(paper, yard waste, metals, etc.) through bars on the x-axis while the vertical side or y-axis would show 'kilograms per year' which will display the differences in their amounts. Thus, <u>option D</u> is the correct answer.
