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zzz [600]
3 years ago
12

Select all types of muscles.

Chemistry
1 answer:
vladimir1956 [14]3 years ago
7 0

Answer:

Skeletal

Cardiac

Smooth

Explanation:

The body contains three types of muscle tissue: skeletal muscle, cardiac muscle, and smooth muscl

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The reaction of 5.40 g of carbon with excess O2 yields 13.6 g of CO2. What is the percent yield of this reaction?
vazorg [7]
C + O2= CO2
n  =  \frac{m}{mw}
n =  \frac{5.4}{12}  \\ n  = 0.45 \: mol \: of \: carbon
n =  \frac{13.6}{12 + 16 \times 2} \\ n =  \frac{13.6}{44}  \\ n = 0.31 \: mol \: of \: carbon \: dioxide
CO2 is limit
5.4-3.72= 1.68 g of C is excess
5.4 g = 100%
3.72 g = x
x=68.9 %
4 0
3 years ago
Who is considered the founder of the periodic table of the elements?
nata0808 [166]

Answer:

Dmitry Mendeleev

Explanation:

Around 1869 a Russian scientist, Dmitry Mendeleev formed what is now known as the periodic table or chart. The Mendeleevian periodic table was based on the atomic weights of elements using the periodic law. The periodic law states that "chemical properties of elements are a periodic function of their atomic weights".

The modern periodic table was re-stated by Henry Moseley in the 1900s. He changed the basis of the periodic law to atomic masses.

7 0
3 years ago
What are the 2 products of photosynthesis
makkiz [27]
Carbon dioxide and oxygen
7 0
3 years ago
12. Which one of the following is not true about the reaction of: CH3-
weqwewe [10]

Explanation:

CH₃CH₃ + Cl₂ → CH₃CH₂Cl + HCl

  • This reaction take place in the presence of light/UV rays. (i.e, photochemical reaction)
  • It's a Chlorination reaction because here there's addition of chlorine.
  • It's a substitution reaction because Cl substituted H from place and attach there.

Option which is NOT correct is

Option A (It's not an elimination reaction)

Therefore,

Option A is correct✔

7 0
3 years ago
consider a 1000-ml graduated cylinder with marks every 100 ml. a student records the volume of liquid in the cylinder as 750 ml.
Ludmilka [50]

Answer:

Explanation:

The 1000-ml graduated cylinder with marks every 100 ml has least count of 100 ml . It means it can not measure a volume less than 100 ml . It can also measure volume in the integral multiple of 100 ml like 200 ml , 300 ml , 400 ml etc perfectly .  All these have significant figure of one .

It can not measure volume like 150 , 250 , 255 , 760 etc because these measurements are not the integral multiple of 100 . 750 is not a integral multiple of 100 so it can not measure volume of 750 ml.

4 0
4 years ago
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