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Oksana_A [137]
3 years ago
15

What best describes the goals of scientific investigation and technological development?

Chemistry
2 answers:
torisob [31]3 years ago
8 0

Answer:

Scientific investigation aims to design and implement an experiment to learn new information, where

development aims to design a product to solve a problem.

Explanation:

mel-nik [20]3 years ago
7 0

Answer:

D

Explanation:

Scientific investigation aims to design and implement an experiment to learn new information, whereas technological development aims to design a product to solve a problem.

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Does acetylene, C2H2 have a linear shape and the bond angle of 180º?
natita [175]
The answer to both of your questions would be yes
4 0
3 years ago
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Calculate the mass in grams of 24.5 mL of diethyl ether, an anesthetic that has a density of 0.713 g/mL. Round your answer to th
Contact [7]

Answer:

17.48

Explanation:

mass=density×volume

= 0.713g/ml × 24.5 ml

= 17.4685

≈ 17.47

6 0
3 years ago
A sample of oxygen gas at a pressure of 1.14 atm and a temperature of 21.5 degrees Celsius, occupies a volume of 815 ml. If the
maria [59]

Answer:

The volume of the gas will be 573.52 mL.

Explanation:

Boyle’s law states that <u>the  pressure of a fixed amount of gas at a constant temperature is inversely proportional  to the volume of the gas</u>.

The equation for Boyle's law is:

P₁V₁ = P₂V₂

We want to know V₂, that is, the volume of the container after the compression. We rearrange the equation and calculate:

V₂ = P₁V₁ ÷ P₂

V₂ = 1.14 atm × 815 mL ÷ 1.62 atm = 573.52 mL

7 0
4 years ago
How many moles of air are there in a 3 L container at 1 atm pressure and 294 K?Use PV=nRT
Keith_Richards [23]

The ideal gas law states: PV=nRT

If we put in the data.

1\cdot7=n\cdot8.31\cdot294 \\n=\boxed{2.865\cdot10^{-3}mol}=\boxed{2.865mmol}

Hope this helps.

r3t40

3 0
3 years ago
A student determines the volume of a cube to be 4.6 cm?
pav-90 [236]

Answer:

6.98%

Explanation:

% error= |experimental value - actual value|/actual value × 100

Experimental value= 4.6 cm

Actual value= 4.3 cm

% error = |4.6-4.3|/4.3 × 100

% error = 6.98%

6 0
3 years ago
Read 2 more answers
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