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Vadim26 [7]
3 years ago
9

the latest weather report includes the following statement: the temperature is 78°f, barometric pressure is 29 and the relative

humidity is 87%. from this information estimate the mole of water in the air and the dew point (°f), molal humidity, absolute humidity, and percentage humidity of the air. brainly
Chemistry
1 answer:
NeX [460]3 years ago
6 0

Answer:

78

Explanation:

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Simplest mole ratio for glucose
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Answer:1. In Glucose: C : H : O = 1 : 2 : 1

2. In Sulfuric acid: H : S : O = 2 : 1 : 4

3. In Butene: C : H = 1 : 2

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3 years ago
One hundred million copper atoms are arranged in a line. which is a reasonable estimate for the length of this line?
Alex777 [14]
10^-8 cm/atom times 10^8 atoms = 1 cm
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3 years ago
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are medications typically used to relieve excessive mucus in nasal pathways. a) Radioactive isotopes b) Expectorants c) Deconges
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Answer:

c) decongestants relive excessive muscle in nasal pathways

8 0
2 years ago
Why is time plotted on the x axis and distance on the y axis?
SIZIF [17.4K]

Answer:

Because time is independent of distance, and distance is dependent of time.

Explanation:

Usually, on any graph, the independent variable is plotted on the x-axis and the dependent variable is plotted on the y-axis. Because of this, time, which is independent (time happens regardless of any other factor), is on the x-axis while distance, which is the dependent variable (can only take place in time), is on the y-axis.

6 0
3 years ago
if 3.26 g of FeNO33 is dissolved in enough water to make exactly what is the molar concentration of nitrate ion g
Tanzania [10]

Answer:

0.404M

Explanation:

...<em>To make exactly 100.0mL of solution...</em>

Molar concentration is defined as the amount of moles of a solute (In this case, nitrate ion, NO₃⁻) in 1 L of solution.

To solve this question we need to convert the mass of Fe(NO₃)₃ to moles. As 1 mole of Fe(NO₃)₃ contains 3 moles of nitrate ion we can find moles of nitrate ion in 100.0mL of solution, and we can solve the amount of moles per liter:

<em>Moles Fe(NO₃)₃ -Molar mass: 241.86g/mol-:</em>

3.26g * (1mol / 241.86g) =

0.01348 moles Fe(NO₃)₃ * (3 moles of NO₃⁻ / 1mole Fe(NO₃)₃) =

<em>0.0404 moles of NO₃⁻</em>

In 100mL = 0.1L, the molar concentration is:

0.0404 moles of NO₃⁻ / 0.100L =

<h3>0.404M</h3>
5 0
3 years ago
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