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3 years ago

Which of the following would be a warning sign that information about a weight loss medication is not reliable science?

Chemistry

2 answers:

Nat2105 [25]3 years ago

8 0

I think the best option is C

Hope this helps

docker41 [41]3 years ago

3 0

The correct answer is B. The scientists and all test subjects involved in the investigation work for the company that sells the medication.

Explanation:

In science, a medication, product or similar is only considered as reliable if it has been tested following the scientific method and if there are not interests that can affect the process or the result. This commonly implies, using the medication in a test group and compare the results to a control group that does not use medication, prove there was a positive effect on the test group people from the control group did not have and also being able to replicate the study which means this can be applied with more groups and the results would be consistent. However, that scientist and test subjects work for the company that sells the medication is not a factor that contributes to reliability and indeed is a warning sign because due to their interest in selling the medication they can alter or influence testing to sell the medication and therefore this is not reliable.

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Explain why, at room temperature, CO2 is a gas and CS2 is a liquid. You may use diagrams as part of your explanation.

eduard

Explanation:

A. Hydrogen bonding is present in CS2 but not in CO2.

B. CS2 has greater dipole moment than CO2 and thus the dipole-dipole forces in CS2 are stronger.

C. CS2 partly dissociates to form ions and CO2 does not. Therefore, ion-dipole interactions are present in CS2 but not in CO2.

D. The dispersion forces are greater in CS2 than in CO2.

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3 years ago

If the length, width, and height of a box are 10.00 cm, 7.25 cm and 3.00 cm, respectively, what is the volume of the box in unit

Blizzard [7]

Answer:

For a: The volume of the box is 217.5 mL

For b: The volume of the box is 0.2175 L

Explanation:

The box is a type of cuboid.

To calculate the volume of cuboid, we use the equation:

$V=lbh$

where,

V = volume of cuboid

l = length of cuboid = 10.00 cm

b = breadth of cuboid = 7.25 cm

h = height of cuboid = 3.00 cm

Putting values in above equation, we get:

$V=10.00\times 7.25\times 3.00=217.5cm^3$

For a:

To convert the volume of cuboid into milliliters, we use the conversion factor:

$1mL=1cm^3$

So,

$\Rightarrow 217.5cm^3\times (\frac{1mL}{1cm^3})\\\\\Rightarrow 217.5mL$

Hence, the volume of the box is 217.5 mL

For b:

To convert the volume of cuboid into liters, we use the conversion factor:

$1L=1000cm^3$

So,

$\Rightarrow 217.5cm^3\times (\frac{1L}{1000cm^3})\\\\\Rightarrow 0.2175L$

Hence, the volume of the box is 0.2175 L

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4 years ago

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lana [24]

No... From blossom. Is your answer

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3 years ago

consider the titration of hclo4 with koh. what is the ph after 17.0 ml of 0.15 m koh has been added to 15 ml of 0.20 m hclo4?

bezimeni [28]

The ph after 17.0 ml of 0.15 m Koh has been added to 15 ml of 0.20 m hclo4 is 3.347.

Titration is a commonplace laboratory technique of quantitative chemical analysis to determine the attention of an identified analyte. A reagent, termed the titrant or titrator, is ready as a trendy answer of recognized awareness and extent.

Calculation:-

Normality of acid Normality of base

= nMV nMV

= 1 × 0. 15 × 0.017 1 × 0. 20 ×0.015 L

= 2.55 × 10⁻³ = 3 × 10⁻³

The overall base will be high

net concentration = 3× 10⁻³ - 2.55 × 10⁻³

= 0.45 × 10⁻³

= 4.5× 10⁻⁴

pH = -log[4.5 × 10⁻⁴]

= 4 - log4.4

= 3.347

A titration is defined as 'the manner of determining the amount of a substance A by using adding measured increments of substance B, the titrant, with which it reacts till precise chemical equivalence is completed the equivalence factor.

Learn more about titration here:-brainly.com/question/186765

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1 year ago

What is the percent error if the measured value is 30.0 g and the accepted value is 32.0 g?

JulsSmile [24]

Answer:6.25

Explanation:

3 0

3 years ago