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3 years ago

Dalam kajian geografi, cara pandang dan cara pikir terhadap objek material dari sudut geografi disebut objek

1 answer:

6 0

Hal di atas disebut sebagai objek: Formal
Objek formal Merupakan cara pandang dan cara pikir terhadap objek material dari sudut geografi. Cara pandang dan cara pikir terhadap objek material dilihat dari segi geografis yang akan melingkupi keruangan, kelingkungan, dan kompleks wilayah,serta<span> </span><span>waktu.</span>

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What is the density of the black hole

Karolina [17]

the density of a black hole is 22.61 g/cm3 i think

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3 years ago

Read 2 more answers

Carl walked 12m north then turned around and walked back 4m south. What was his

aleksklad [387]

Answer:

Distance: 16m Displacement: 8m North

Explanation:

Total distance is the total amount traveled, regardless of direction. So, you would just add 12 and 4 to get a total distance of 16m. Displacement is the distance/direction from the start to the end point, regardless of which way you got there. So, to find displacement, you just subtract:

12m North - 4m South = 8m North

** I could be wrong so definitely double check this answer with a similar question**

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3 years ago

How many levels will argon have?

Varvara68 [4.7K]

They have about 4 or 6

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3 years ago

Elements placed in the same group have similar chemical properties. Which one of the following has different chemical property?

Westkost [7]

Answer:

Na has the different chemical property

3 0

3 years ago

An aqueous solution is listed as being 33.8% solute by mass with a density of 1.15 g/mL, the molar mass of the solute is 145.6 g

vodomira [7]

Answer:

A) 2.69 M

B) 0.059

Explanation:

A) We have:

33.8% solute by mass= 33.8 g solute/100 g solution

molarity = mol solute/ 1 L solution

molarity= $\frac{33.8 g solute}{100 g solution}$ x $\frac{1.15 g solution}{1 ml}$ x $\frac{1 mol solute}{145.6 g solute}$ x $\frac{1000 ml}{1 L}$

molarity= 2.69 mol solute/L solution = 2.69 M

B) We know that there are 33.8 g of solute in 100 g of solution.

As the total solution is compounded by solute+solvent (in this case, solvent is water), the mass of water is the difference between the mass of the total solution and the mass of solute:

mass of water= 100 g - 33.8 g = 66.2 g

Now, we calculate the number of mol of both solute and water:

mol solute= 33.8 g solute x $\frac{1 mol solute}{145.6 g}$ = 0.232 mol

mol H20= 66.2 g H₂O x $\frac{1 mol H2O}{18 g}$

Finally, the mol fraction of solute (Xsolute) is calculated as follows:

Xsolute= $\frac{mol solute}{total mol}= \frac{mol solute}{mol solute + mol H2O}=\frac{0.232 mol}{0.232 mol + 3.677 mol}$

Xsolute= 0.059

4 0

3 years ago