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It is believed that water must be present for life to exist. The moon has no atmosphere and the surface temperature ranges from 100 degrees C during the day to -175 C at night. If water exists on the moon, it must exist as a solid or liquid. Water in its gas state on the moon would float away into space since the moon has no atmosphere, Based on these conditions and the phase diagram of water, predict whether water exists on the moon. Give reasons, Include in your answer a statement about the atmospheric pressure on the moon. Draw the phase diagram of water and put a on the phase diagram to show the pressure and temperature conditions in the day and at night on the moon.
Equilibrium constant from standard potential data, Calculate the equilibrium constants of the following reactions at 25°C from standard potential data
A chemist must dilute 80.5mL of 126mM aqueous sodium thiosulfate solution until the concentration falls to 110.mM . He'll do this by adding distilled water to the solution until it reaches a certain final volume.
If 20.0 dm3 of methane, CH4, react with 200.0 dm3 of air at STP, calculate the dm3 of carbon dioxide gas produced.
As mentioned in the text, Ni3Al is used in the turbines of aircraft engines because of its strength and low density. Nickel metal has a cubic close-packed structure with a face-centered cubic unit cell
the product for the following reaction between THF and excess HI, and provided a detailed step-bystep mechanism for its formation, using the curved arrow formalism
Assume the van der Waals equation of state holds for the n-propane molecule (C3H8). Find values for the constants a and b (online) and use these to calculate the density in (g ml^-1) at a temperature of 1000K and a pressure of 10 atm
Determine which species is present in the lowest concentration in 0.10 M H3A solution?
Pre-Lab Assignment- Understanding Activity 3 in this manual and significant figures and uncertainty in measurements in general will help you answer the last two questions
What is the basis for distillation techniques used to separate two or more components and If so, this would give me the four apparatus requested.
what volume of vinegar would be needed to react with 18.00 grams of baking soda? Assume the density of vinegar is the same as that of water.
Calculate the [H3O+] and the pH for a buffer that consists of 0.13 M HF and 0.29 M KF. (Ka of HF = 6.8x10^-4)
The air track carts in the figure are sliding to the right at 1.0 meter per second. Find the speed of the carts.
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