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Kitty [74]
3 years ago
12

Which is one way that topographic maps are different from other maps?

Chemistry
2 answers:
Shtirlitz [24]3 years ago
7 0
Topographic maps contain accurate information about vertical distances, or elevations, on the Earth's surface. Other maps can show horizontal distances, etc., but not vertical distances like topographic maps.
anzhelika [568]3 years ago
5 0
One way they are different is that they show elevation
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4. Given the balanced equation: 2Na + S → Na₂S
PtichkaEL [24]

Answer:

Option D. 30 g

Explanation:

The balanced equation for the reaction is given below:

2Na + S —> Na₂S

Next, we shall determine the masses of Na and S that reacted from the balanced equation. This is can be obtained as:

Molar mass of Na = 23 g/mol

Mass of Na from the balanced equation = 2 × 23 = 46 g

Molar mass of S = 32 g/mol

Mass of S from the balanced equation = 1 × 32 = 32 g

SUMMARY:

From the balanced equation above,

46 g of Na reacted with 32 g of S.

Finally, we shall determine the mass sulphur, S needed to react with 43 g of sodium, Na. This can be obtained as follow:

From the balanced equation above,

46 g of Na reacted with 32 g of S.

Therefore, 43 g of Na will react with = (43 × 32)/46 = 30 g of S.

Thus, 30 g of S is needed for the reaction.

8 0
3 years ago
A. Which line represents travel at the fastest speed? Justify your answer.__
Vikentia [17]

Answer:

Which line represents travel at the fastest speed? Justify your answer.__

b. Describe the line that should be added for an object that is not moving with respect to the chosen reference point.__

Answer the question using 5 complete sentences and the vocabulary terms; velocity, position, and distance

Which line represents travel at the fastest speed? Justify your answer.__

b. Describe the line that should be added for an object that is not moving with respect to the chosen reference point.__

Answer the question using 5 complete sentences and the vocabulary terms; velocity, position, and distance

Explanation:

5 0
3 years ago
A phase diagram assumes ______ is kept constant. temperature volume pressure density
algol [13]

pressure......................................

6 0
3 years ago
Read 2 more answers
La formula quimica de la molecula de agua H20 , si H = 1 gramos y O = 16 gramos . Cual es su composicion porcentual ? 88,88 % de
vesna_86 [32]

Answer:

88,88 % de O y 11,11 % de H

Explanation:

La composición porcentual se define como la masa que hay de cada mol de átomo en 100g. Las moles de agua en 100g son:

<em>Masa molar agua:</em>

2H = 2*1g/mol = 2g/mol

1O = 1*16g/mol = 16g/mol

Masa molar = 2 + 16 = 18g/mol

100g H2O * (1mol / 18g) = 5.556 moles H2O.

Moles de hidrógeno:

5.556 moles H2O * (2mol H / 1mol H2O) = 11.11 moles H

Moles Oxígeno = Moles H2O = 5.556 moles

La masa de hidrógeno es:

11.11mol * (1g/mol) 11.11g H

La masa de oxígeno es:

5.556 mol * (16g / 1mol) = 88.89g O

Así, el porcentaje de O es 88.89% y el de H es 11.11%. La opción correcta es:

<h3>88,88 % de O y 11,11 % de H</h3>
7 0
3 years ago
Calculate the work (kJ) done during a reaction in which the internal volume contracts from 85 L to 12 L against an outside press
butalik [34]

Answer:

The work done on the system is 17.75_KJ

Explanation:

To solve this question we need to know the required equations from the given variables, thus

Initial volume = 85L

Final volume = 12L

External pressure = 2.4 atm.

work done = - PΔV

2.4×(85-12) = 175.2L×atm

Converting from L•atm to KJ is given by

1 L•atm = 0.1013 kJ

(175.2 L•atm) * (0.1013 kJ / 1 L•atm)

= 17.75 kJ

The work done on the system is 17.75_KJ

5 0
3 years ago
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