Answer:
Fungi are a food source for animals and humans. This point do not apply on fungi.
Explanation:
Roles of fungi:
Penicillin and Cephalosporins are the antibiotics made by fungi. They are natural sources of antibiotics.
Fungi are eaten by animals examples are mushroom, agaricus and some animals even eat poisonous mushrooms.
Fungi destroy by releasing chemicals into the rock and they get iron this way and then deeply burrow the rocks and harming them.
Fungi acts as a decomposer to nourish the soil and improves vegetation.
Many infections are caused by fungus like ringworm infection, candida and Athlete's food are some examples.
<span>2 Al+6 HBr = 2 AlBr</span>₃ <span>+ 3 H</span>₂
2 moles Al --------- 6 moles HBr ----------- 3 moles H₂
3.22 moles Al ------ 4.96 moles HBr ----- ( moles H₂ )
moles H₂ = 4.96 x 3 / 6
moles H₂ = 14.88 / 6
= 2.48 moles of H₂
hope this helps!
The element that would have 4 electrons in its outer p orbital, or p subshell would be Oxygen. Oxygen's electronic configuration would suggest that there are 4 electrons in its p sub shell.
O : 1s^2 2s^2 2p^4.
Answer:
Sodium gives its extra electron to the chlorine atom. Now both have 8 electrons in their valence and are stable.
Explanation:
Answer:
See explanation below
Explanation:
First, you are not providing any data to solve this, so I'm gonna use some that I used a few days ago in the same question. Then, you can go and replace the data you have with the procedure here
The concentration of liquid sodium will be 8.5 MJ of energy, and I will assume that the temperature will not be increased more than 15 °C.
The expression to calculate the amount of energy is:
Q = m * cp * dT
Where: m: moles needed
cp: specific heat of the substance. The cp of liquid sodium reported is 30.8 J/ K mole
Replacing all the data in the above formula, and solving for m we have:
m = Q / cp * dT
dT is the increase of temperature. so 15 ° C is the same change for 15 K.
We also need to know that 1 MJ is 1x10^6 J,
so replacing all data:
m = 8.5 * 1x10^6 J / 30.8 J/K mole * 15 m = 18,398.27 moles
The molar mass of sodium is 22.95 g/mol so the mass is:
mass = 18,398.27 * 22.95 = 422,240.26 g or simply 422 kg rounded.
