Answer:
6.79 atm
Explanation:
Applying Dalton's law of partial pressure:
, where 
= total partial pressure of all the component gases in the mixture, 
= partial pressure of helium gas, and 
= partial pressure of oxygen gas.
From the illustration, = 7.00 atm and = 0.21 atm. Hence, the partial pressure due to helium is calculated such that:
= 
= 7.00 - 0.21
= 6.79 atm
<em>Therefore, the partial pressure due to helium in order to maintain the pressure due to oxygen at 0.21 atm would be </em><em>6.79 atm.</em>
C) Volume. It is the quantity of three-dimensional space enclosed by a closed surface
If the water molecule was linear instead of bent the water would no longer produce hydrogen bonds.
<u>Explanation:</u>
- Yes, If the water molecule was linear instead of bent the water would no longer produce hydrogen bonds.
- The water would no longer generate hydrogen bonds.
- It will lose its polar features and nearly all of its features will change such as boiling point, water tension and solubility.
- It would be more like to gas, rather than liquid.
- If the water was in the linear, the water would have all the features and it would produce the hydrogen bonds.
Heat_1: Get the ice to 0 degrees
Convert 7 kg to grams
7 kg [1000 grams / 1 kg] = 7000 grams
Heat needed to get the the ice from - 9 to 0
deltat = 0 - -9 = 9 degrees
m = 7000 grams
c = 2.1 joules/gram
Heat_1 = m*c*deltat
Heat_1 = 7000 * 2.1 * 9
Heat_1 = 132,300 joules
Heat_2: Melt the ice.
There is no temperature change. The formula is 333 j/gram
Formula: H = mass * constant
H = 7000 g * 333 J / gram
H = 2331000 joules
Heat_3: Total amount of Joules needed.
2331000 + 132300 = 2 463 300 joules
Convert to Megajoules
2 463 300 joules * 1 megajoule / 1000000 = 2.63 megajoules.
Answer:
A-Have high melting and boiling points
B- Are hard
D- Are good conductors of electricity when dissolved in water
Explanation:
