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Dmitrij [34]
3 years ago
9

Which is a characteristic of the electron sea model for metallic bonding?

Chemistry
2 answers:
raketka [301]3 years ago
4 0
The correct one is option 2

Papessa [141]3 years ago
3 0
I taking the test in edginuity and i also believe it to be the second option.
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How is the rate of appearance of h2o related to the rate of disappearance of o2?
erastovalidia [21]
If we consider a combustion reaction of Methane:

The balanced equation is:

CH4 + 2O2 ---> 2H2O + CO2

The rate of appearance of H2O is rH2O, rate of disappearance of O2 is -rO2

(rH2O)^2 = (-rO2)^2
rH2O = -rO2
6 0
3 years ago
A patient needs 40.0 mg of antibiotic per kilogram of body weight each day. If the patient weighs 55 kilograms.
White raven [17]

2200 mg of antibiotic

Explanation:

Given that 40 mg of antibiotic/kg of the bodyweight is given.

If patient is 55 kg then  the dose of antibiotic will be

if 40/1000000 is done then we can get antibiotic in kg/kg of the weight

= 0.00004 kg of antibiotic per kg

0.00004*55 ( to know how much 55 kg person will require)

= 0.0022 kg

This 0.0022 value will be converted to mg

0.0022*10^6

= 2200 mg of antibiotic will be given to a 55kg patient.

4 0
3 years ago
. Nhiệt độ ban đầu của 344 g một mẫu sắt là 18,2oC. Nếu mẫu sắt này hấp thụ 2,25 kJ nhiệt lượng thì nhiệt độ cuối của mẫu sắt nà
Mrrafil [7]

Answer:

ano poh paki ult kasi hindi mahintindihan yan question mo hindi mahintindihwn

8 0
2 years ago
Read 2 more answers
Name the four elements on the Periodic Table that are considered METALLOIDS?​
Nimfa-mama [501]

Answer:

boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), polonium (Po) and astatine (At)

Explanation:

metalloids are elements that are in between the metals and nonmetals. they are in between because they have properties of both metals and nonmetals.

you can search "metalloids on the periodic table" and go to images to see what i mean :)

5 0
3 years ago
NaOH is a strong base. Which two ions do you expect to find in a solution of NaOH?
Elena L [17]
NaOH will dissociate as Na+ and OH- in the solution.
5 0
3 years ago
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