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r-ruslan [8.4K]
3 years ago
13

What 3 pieces of evidence did wegener use to support his theory

Chemistry
1 answer:
GenaCL600 [577]3 years ago
6 0
1. Fossils, rocks and mountain range

2. The location of ancient climatic zones.

3. The continents have moves from the continental drift several lines of evidence
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HELPPP!!! What is the volume of a 1.31 moles sample of gas if the pressure is 904 mmHg and the temperature is 37. degrees Celsiu
Tju [1.3M]

Answer:

27.99 dm³

Explanation:

Applying

PV = nRT................ Equation 1

Where P = Pressure, V = Volume, n = number of mole, R = molar gas constant, T = Temperature.

From the question, we were aksed to find V.

Therefore we make V the subject of the equation

V = nRT/P................ Equation 2

Given: n = 1.31 moles, T = 37°C = 310K, P = 904 mmHg = (904×0.001316) = 1.1897 atm

Constant: R = 0.082 atm.dm³/K.mol

Substitute these values into equation 2

V = (1.31×310×0.082)/(1.1897)

V = 27.99 dm³

4 0
3 years ago
How many milliliters of a 0.275 M NaOH solution is required to react with 0.450 L of CO2 gas
padilas [110]

Volume of NaOH required to react = 145.5 ml

<h3>Further explanation</h3>

Reaction

CO₂(g) + 2 NaOH(aq)  ⇒Na₂CO₃(aq) + H₂O(l)

The volume of CO₂ : 0.45 L

mol CO₂ at STP (O C, 1 atm) ⇒ at STP 1 mol gas 22.4 L :

\tt mol~CO_2=\dfrac{0.45}{22.4}=0.02

From the equation, the mol ratio of CO₂ : NaOH = 1 : 2, so mol NaOH :

\tt mol~NaOH=\dfrac{2}{1}\times 0.02=0.04

Then volume of NaOH :

\tt V=\dfrac{n}{M}\\\\V=\dfrac{0.04}{0.275}\\\\V=0.1455~L\rightarrow 145.5~mL

5 0
3 years ago
What is electronic confriguration​
nataly862011 [7]

Answer:

In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals. For example, the electron configuration of the neon atom is 1s² 2s² 2p⁶, using the notation explained below.

Explanation:

3 0
3 years ago
What is more reactive Phosphorus or Antimony
kati45 [8]

Answer:

Phosphorus

Explanation:

UR wellcome

3 0
3 years ago
Read 2 more answers
Convert 1297 cm to m.
Svet_ta [14]

Answer:

Not sure,12.97(if u get it wrong let me know)

Explanation:

100cm=1m

Then 1297cm=

1297 \100

= 12.97m

3 0
3 years ago
Read 2 more answers
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