3.. Which type of graph would be most helpful for comparing the calorie-content in a variety of

Chemistry

1 answer:

Sindrei [870]3 years ago

7 0

Answer:

d. Bar graph

Explanation:

a. Line graph - this type of graph is best for continuous data, such as how a the sales of a particular cereal drop over time

b. Pie chart - this is best for % data, such as looking at the % of different nutrients (carbohydrates, fats, proteins) in a cereal

C. Stem-and-leaf plot - presents quantitative data such as the ages of people who buy a brand of cereal

d. Bar graph - this is best for plotting different numbers in distinct categories to compare them to one another

You might be interested in

At 27.00 °c a gas has a volume of 6.00 L . What will the volume be at 150.0 °c

mojhsa [17]

T₁ = 27°C = 27 + 273 = 300K, V₁ = 6 L,

T₂ = 150°C = 150 + 273 = 423K, V₂ = ?,

By Charles' Law: V₁/T₁= V₂/T₂

6/300 = V₂/423

423*(6/300) = V₂

8.46 = V₂

Volume at 150°C =8.46 L.

3 0

3 years ago

All waves carry A) energy. B) light. C) matter. D) particles.

7nadin3 [17]

A. energy would be the answer

4 0

3 years ago

Read 2 more answers

If 10.0 mL of a .600 M of HNO3 reacts with 31.0 mL of .700M Ba(OH)2 solution, what is the molarity of Ba(OH)2 after the reaction

Tasya [4]

Answer:

0.456M

Explanation:

1. Balanced molecular equation

$2HNO_3+Ba(OH)_2\rightarrow Ba(NO_3)_2+2H_2O$

2. Mole ratio

$\dfrac{2molHNO_3}{1molBa(OH)_2}$

3. Moles of HNO₃

Number of moles = Molarity × Volume in liters
n = 0.600M × 0.0100 liter = 0.00600 mol HNO₃

4. Moles Ba(OH)₂

n = 0.700M × 0.0310 liter = 0.0217 mol

5. Limiting reactant

Actual ratio:

$\dfrac{0.0600molHNO_3}{0.0217molBa(OH)_2}\approx0.28$

Since the ratio of the moles of HNO₃ available to the moles of Ba(OH)₂ available is less than the theoretical mole ratio, HNO₃ is the limiting reactant.

Thus, 0.006 moles of HNO₃ will react completely with 0.003 moles of Ba(OH)₂ and 0.0217 - 0.003 = 0.0187 moles will be left over.

6. Final molarity of Ba(OH)₂