Answer: 10ml

In this question, you are given the liquid medicine concentration (100mg/5ml) and the doses of the medicine that must be taken(200mg). You are asked how much ml of the drug needed. Then the calculation would be:

Volume of drug needed= doses of the drug / drug concentration

Volume of drug needed= 200mg / (100mg/5ml)= 10ml

The answer you're looking for is photosynthesis

**Answer:
**

50 kg

**Explanation:
**

**Data:
**

Mass of bicycle = 10 kg

F = 168 N

a = 2.8 m/s²

**Calculation:
**

F = ma Divide each side by m, Then

m = F/a

= 168/2.8

= 60 kg

m = mass of bicycle + Naoki's mass. Then

60 = 10 + Naoki's mass Subtract 10 from each side

Naoki's mass = **50 kg
**

The correct answer is B) Basic. Hope this helps.

**Answer:**

0.184 atm

**Explanation:**

The ideal gas equation is:

**PV = nRT**

Where<em> P</em> is the pressure, <em>V</em> is the volume, <em>n</em> is the number of moles, <em>R</em> the constant of the gases, and <em>T</em> the temperature.

So, the sample of N₂O₃ will only have its temperature doubled, with the same volume and the same number of moles.** Temperature and pressure are directly related**, so if one increases the other also increases, then the pressure must double to 0.092 atm.

The decomposition occurs:

N₂O₃(g) ⇄ NO₂(g) + NO(g)

So, **1 mol of N₂O₃ will produce 2 moles of the products (1 of each), the **<em>**n **</em>**will double**. The volume and the temperature are now constants, and **the pressure is directly proportional to the number of moles, so the pressure will double to 0.184 atm**.