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romanna [79]
3 years ago
5

On the basis of bonding, which of the following is true about calcium chloride when

Chemistry
2 answers:
olganol [36]3 years ago
6 0

its A, calcium chloride has a higher boiling point than sucrose

alexgriva [62]3 years ago
5 0

Answer:

A

Explanation:

Calcium chloride has a higher boiling point than sucrose.

Just took the test!

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A 11.0 mLmL sample of 0.30 MHBrMHBr solution is titrated with 0.16 MNaOHMNaOH. Part A What volume of NaOHNaOH is required to rea
cupoosta [38]

Answer:

21 mL of NaOH is required.

Explanation:

Balanced reaction: HBr+NaOH\rightarrow NaBr+H_{2}O

Number of moles of HBr in 11.0 mL of 0.30 M HBr solution

= (\frac{0.30}{1000}\times 11.0) moles = 0.0033 moles

Let's say V mL of 0.16 M NaOH solution is required to reach equivalence point.

So, number of moles of NaOH in V mL of 0.16 M NaOH solution

= (\frac{0.16}{1000}\times V) moles = 0.00016V moles

According to balanced equation-

1 mol of HBr is neutralized by 1 mol of NaOH

So, 0.0033 moles of HBr are neutralized by 0.0033 moles of NaOH

Hence, 0.00016V=0.0033

           \Rightarrow V=\frac{0.0033}{0.00016}=21

So, 21 mL of NaOH is required.

4 0
3 years ago
What are some important things in this paragraph ???? BRAINLIST WILL BE AWARDED!
mezya [45]

Answer:

Suppose you were standing in the dark room with a bare light bulb behind you. You hold a ball in front of you, and you can see all of the lit half of the ball, which looks like a circle.

you rotate 90° to your left, and see the left side of the circle lit while the right side is dark. Half the ball is still lit up, but you can see only part of the lit area. As you continue to rotate, you see a different amount of the ball. In fact, you would see the shape change from a full circle to a crescent shape to a backwards crescent shape and then back to a full circle.

Explanation:

I think this is it tell me if i'm wrong

6 0
3 years ago
What is the speed of a horse in meters per second that runs a distance of 1.2 miles in 2.4 minutes? (Hint: 1 mile = 1609 m)
dezoksy [38]
Time t=2.4 minutes=2.4×60=144 seconds
distance s=1.2 miles=1.2×1609=1930.8 meters
speed v=s/t=1930.8÷144=[tex] \frac{1930.8}{144} = \frac{160.9}{12} =[/13.408m/s ~nearly]
7 0
3 years ago
How many moles of oxygen will occupy a volume of 2.50 liters?
loris [4]
Data:
n (number of mols) = ? 
V (volume) = 2.50 Liters 
If: 
1 L → 1000 g
2.50 L → y

y = 1000*2.50 = 2500 g

Therefore:
m (mass) = 2500 g

Now:
Molar Mass (MM) of oxygen = 16 g/mol

Formula:
n =  \frac{m}{MM}

Solving:
n = \frac{m}{MM}
n = \frac{2500\:\diagup\!\!\!\!\!g}{16\:\diagup\!\!\!\!\!g/mol}
\boxed{\boxed{n = 156.25\:mols}}\end{array}}\qquad\quad\checkmark




7 0
3 years ago
An atom has 24 protons, 22 electrons, and 28 neutrons. What is the ATOMIC # of the atom?
Over [174]
22 would be the answer
7 0
3 years ago
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