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asambeis [7]
3 years ago
15

The top of the plate where food is placed is called:

Chemistry
1 answer:
Murrr4er [49]3 years ago
3 0

Answer:

Design Shape

Explanation:

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Which pair of molecules have the same empirical formula?
slavikrds [6]
C- K4O8 and K2O4
K4O8/4 =KO2
K2O4/2 =KO2
8 0
3 years ago
Consider the generic reaction: 2 A(g) + B(g) → 2 C(g). If a flask initially contains 1.0 atm of A and 1.0 atm of B, what is the
irina1246 [14]

Answer:

b. 1.5 atm.

Explanation:

Hello!

In this case, since the undergoing chemical reaction suggests that two moles of A react with one moles of B to produce two moles of C, for the final pressure we can write:

P=P_A+P_B+P_C

Now, if we introduce the stoichiometry, and the change in the pressure x we can write:

P=1.0-2x+1.0-x+2x

Nevertheless, since the reaction goes to completion, all A is consumed and there is a leftover of B, and that consumed A is:

x=\frac{1.0atm}{2}=0.5atm

Thus, the final pressure is:

P=1.0-2(0.5)+1.0-(0.5)+2(0.5)\\\\P=1.5atm

Therefore the answer is b. 1.5 atm.

Best regards!

3 0
3 years ago
In hypothetical element, two energy levels are separated by an energy of 282 kj/mol. what wavelength of light (in nm) is involve
scZoUnD [109]

Answer:

4.23*10^2 nm = 423 nm

Explanation:

E={\frac  {hc}{\lambda }}

h=6.62607015*10^{-34}J*s\\c=299 792 458 m / s\\h*c=1.98644568*10^{-25}J*m

282000 j/mol *1 mol/6*10^(23) = 4.7*10^(-19) J for one electron

\lambda={\frac  {hc}{E }}=\frac{1.98644568*10^{-25}J*m}{4.7*10^{-19}J} =\\\\=4.22648017*10^{-7} m = 4.22648017*10^{-7} m*\frac{10^9 nm}{1 m} =\\\\4.23*10^2 nm = 423 nm

6 0
3 years ago
A group of organisms of the same species that live in an area is called a(n
Allushta [10]

A population is a group of individuals of the same species living in a particular area at the same time.

<h3>What is the population?</h3>

The whole number of people or inhabitants in a country or region.

A population is the number of living people that live together in the same place. A city's population is the number of people living in that city. These people are called inhabitants or residents. The population includes all individuals that live in that certain area.

Hence, a group of organisms of the same species that live in an area is called a population.

Learn more about the population here:

brainly.com/question/15976891

#SPJ1

5 0
2 years ago
Tertiary or top consumers are animals at the top of the food web. They may feed off either primary or secondary consumers. What
babymother [125]

Answer:

Coyotes, Bald Eagles, & Gray wolf.

7 0
3 years ago
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