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Gnoma [55]
3 years ago
13

Mr. Gordon's science students are studying scale models of the Sun-Earth-Moon system. Mr. Gordon is using this model to show his

students how the three bodies are arranged during a solar eclipse. Although he can show the correct positions, something is wrong about this scale model. What conclusion did the student's draw to be the problem? A)
The Sun is too small.


B)
The Earth is too small.


C)
The moon is too close to the Earth.


D)
The Earth should be closer to the Sun.
Chemistry
1 answer:
4vir4ik [10]3 years ago
3 0
The sun is too small
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denpristay [2]
Hydrogen and oxygen! Happy holidays btw
3 0
3 years ago
What is the energy transformation in the following:
Tatiana [17]
They all have something to do with electricity
3 0
3 years ago
51.7ml at 27 Celsius and 90kpa to stp
never [62]
STP is the abbreviation of standard condition for temperature and pressure which is 273.15K temperature and 1.013× 10^5 Pa pressure. Since the pressure and temperature changes, I assume the question would ask about the result of the volume. The temperature used in ideal gas should be Kelvin, so 27 Celcius would be 300.15K.
The calculation would be
PV=T
V=T/P

V2/V1= T2*P1/T1*P2
V2/V1=273.15K*  90^10^3Pa/ 300.15K *  1.013× 10^5 Pa
V2= 0.81904 * 51.7ml
V2= 42.34ml
6 0
3 years ago
A certain compound is made up of one phosphorus (P) atom, three chlorine (Cl) atoms, and one oxygen (O) atom. What is the chemic
Lostsunrise [7]
Phosphorus (5+), can have 5 bonds. It will have a double bond with Oxygen (2-) and single bonds with Chlorine (1-)

POCl3

* the 3 is a subscript
6 0
3 years ago
Consider the combustion of carbon monoxide (CO) in
Julli [10]

Answer:

3.60 mol CO₂

Explanation:

Balanced chemical reaction:

2CO + O₂ ⇒ 2CO₂

The molar ratio between CO₂ and CO is 1:1

2CO₂/2CO = CO₂/CO

Thus, the moles of CO₂ produced from 3.60 moles of CO is 3.60 moles:

(3.60 mol CO)(CO₂/CO) = 3.60 mol CO₂

6 0
3 years ago
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