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Blizzard [7]
3 years ago
8

Name two chemical used to disinfect water

Chemistry
2 answers:
frosja888 [35]3 years ago
7 0

Answer:

chlorine I think so . sorry if it ain't the right answer

dmitriy555 [2]3 years ago
4 0

Answer:

chlorine and I think maybe sulphur. but check the internet

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Harold Reese must choose between two bonds: Bond X pays $95 annual interest and has a market value of $905. It has 13 years to m
Serga [27]

Answer:

Explanation:

a)

current yield of bond x = annual interest/market value

current yield of bond x = 95/905

current yield of bond x = 10.50%

current yield of bond Z = annual interest/market value

current yield of bond Z = 85/910

current yield of bond Z = 9.34%

b)

Bond X should be selected based on current yield

c)

<u>Bond Z </u>

Approximate yield to maturity = (Annual Coupon + (Maturity value - Current price)/period)/ ( (Maturity value+ Current price)/2)

Approximate yield to maturity = (85+ (1000-910)/5)/((1000+910)/2)

Approximate yield to maturity = 10.79%

Exact yield to maturity = rate(nper,pmt,pv,fv)

Exact yield to maturity = rate(5,85,-910,1000)

Exact yield to maturity = 10.93%

d)

Yes ,  answer would changed between parts b and c of this question as  A drawback of current yield is that it does not consider the total life of the bond .

8 0
3 years ago
Part 1. Matching
Lisa [10]

Answer:

Try asking a friend or teacher

Explanation:

helps better than this site because alot of the answers are different even though they might of had the same test

7 0
3 years ago
How old is a fossil that has radioactively decayed through 4 half-lives of carbon-14?
gavmur [86]

Answer:

Carbon-14 has a half life of 5730 years. This means it takes 5730 years for half of the carbon-14 atoms to decay to carbon-12 in a given sample (eg: 100 carbon-14, one half life = 50 carbon-14, 50 carbon-12).

Explanation:

8 0
3 years ago
Read 2 more answers
A well-tested explanation that explains a lot of observations is
ikadub [295]
A: Because a hypothesis is a educated guess
5 0
3 years ago
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A gas is contained in a horizontal cylinder with a moveable piston of cross-sectional area 0.33\text{ m}^20.33 m 2 . The region
-BARSIC- [3]

Answer:

0.02 m

Explanation:

∆U = q + w

w = ∆U - q = (1380 - 2040) J = -660 J

w = -p∆V = -pA∆h

∆h = -w/(pA)

p = 1 bar × (100000 Pa/1 bar) = 100000 Pa

∆h = -(-660 J)/(100000 Pa×0.33 m²) = 0.02 m

4 0
3 years ago
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