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4 years ago

What type of graph is best for analyzing quantitative dependent and independent variables

Chemistry

2 answers:

yan [13]4 years ago

8 0

Line graph is best to use

lukranit [14]4 years ago

6 0

Line graph because the best type of graph to be used to analyze quantitative IVs and DVs is the line graph.

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Using stoichiometry, determine the mass of powdered drink mix needed to make a 1.0 M solution of 100 mL from C12H22O11

fgiga [73]

Answer:

34.23 g.

Explanation:

Molarity is defined as the no. of moles of a solute per 1.0 L of the solution.

M = (no. of moles of solute)/(V of the solution (L)).

∴ M = (mass/molar mass)of C₁₂H₂₂O₁₁/(V of the solution (L)).

∴ mass of C₁₂H₂₂O₁₁ = (M)(molar mass)(V of the solution (L) = (1.0 M)((342.3 g/mol)/(0.10 L) = 34.23 g.

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4 years ago

Differences between selenium tellurium and polonium

dsp73

Explanation:

Selenium and tellurium are rare elements, respectively, in order of crustal abundance. However, polonium, on account of its radioactive decay, is less abundant. The main source of selenium and tellurium is the anode slime deposited during the electrolytic refining of copper.

5 0

3 years ago

Can you tell me answe of all (5,6,7,8)

GREYUIT [131]

Answer:

i dont know thank you soo much

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1 year ago

You are burning wood to heat water for your industrial process. What is the mass of wood required to raise the temperature of 10

natta225 [31]

Answer:

18,8kg of wood

Explanation:

The energy you need to to raise the temperature of 1000 kg of water from 25.0 to 100.0 °C is:

q = C×m×ΔT

Where: q is heat, C is specific heat of water (4,184J/g°C), m is mass in grams (1000x10³g), and ΔT is 100,0°C - 25,0°C = 75,0°C

Replacing:

q = 4,184J/g°C×1000x10³g×75,0°C

q = 3,14x10⁸ J of heat are required

Now, if the heating value of dry wood is 16,72 MJ/kg = 16,72x10⁶ J/kg, mass of wood required is:

3,14x10⁸J × (1kg / 16,72x10⁶ J) = 18,8 kg of wood are required

I hope it helps!

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3 years ago

What type of bond do the fatty acids in unsaturated fats have?

valentinak56 [21]

A, i think, dont quote me on it tho

8 0

3 years ago