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9966 [12]
3 years ago
6

view each ecosystem at your table. Think about the resources that are necessary in order for each to be successful. List all of

the resources you can think of that organisms will compete in each ecosystem
Chemistry
2 answers:
TiliK225 [7]3 years ago
7 0

Answer:

Organisms compete for the resources they need to which are survive- air, water, food, and space.

Alisiya [41]3 years ago
6 0

Answer:

these are the basic components:

  • energy
  • mineral nutrients
  • water
  • oxygen
  • living organisms.

Some consumers are predators; they hunt, catch, kill, and eat other animals, the prey. The prey animal tries to avoid being eaten by hiding, fleeing, or defending itself using various adaptations and strategies. These could be the camouflage of an octopus or a fawn, the fast speed of a jackrabbit or impala, or the sting of a bee or spines of a sea urchin. If the prey is not successful, it becomes a meal and energy source for the predator.

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Consider the following intermediate chemical equations.
geniusboy [140]

<u>Answer:</u> The enthalpy of the overall chemical equation is -205.7 kJ

<u>Explanation:</u>

Hess's law is defined as the law which states that the total amount of heat absorbed or released for a given chemical reaction will remain the same whether the process occurs in one step or several steps.

In this law, a chemical equation is treated as an ordinary algebraic expression that can be added or subtracted to yield the required overall equation.  

The enthalpy change or heat of the overall reaction is the summation of the enthalpies or heats of the intermediate reactions involved in the process.

The given overall chemical equation follows:

CH_4(g)+4Cl_2(g)\rightarrow CCl_4(g)+4HCl(g);\Delta H^o_{rxn}

The intermediate equations for the above reaction are:

(1)  CH_4(g)\rightarrow C(s)+2H_2(g);\Delta H_1=74.6 kJ

(2)  CCl_4(g)\rightarrow C(s)+2Cl_2(g);\Delta H_2=95.7kJ

(3)  H_2(g)+Cl_2(g)\rightarrow 2HCl(g);\Delta H_3=-92.3kJ

According to Hess law, the enthalpy of the reaction becomes:

\Delta H^o_{rxn}=[1\times (\Delta H_1)] + [1\times (-\Delta H_2)] + [2\times (\Delta H_3)]

Putting values in above expression, we get:

\Delta H^o_{rxn}=[1\times (74.6)] + [1\times (-95.7)] + [2\times (-92.3)]\\\\\Delta H^o_{rxn}=-205.7kJ

Hence, the enthalpy of the overall chemical equation is -205.7 kJ

8 0
3 years ago
Think about a wooden chair and a balloo. What do these two objects always have in common
vovangra [49]
A. Both are made of atoms.
5 0
4 years ago
Read 2 more answers
Which of the following atoms has the same number of neutrons as 9Be?
xxMikexx [17]

Answer: -

¹⁰B

Explanation: -

For ⁹Be,

The atomic number is 4.

The Mass number is 9.

The number of neutrons = mass number - atomic number

= 9 - 4 = 5

For ⁹B,

The atomic number is 5.

The Mass number is 9.

The number of neutrons = mass number - atomic number

= 9-5 = 4

For ¹⁰B,

The atomic number is 5.

The Mass number is 10.

The number of neutrons = mass number - atomic number

= 10-5 = 5

For ¹⁰Be,

TThe atomic number is 4.

The Mass number is 10.

The number of neutrons = mass number - atomic number

= 10-4 = 6

For ¹²C,

The atomic number is 6.

The Mass number is 12.

The number of neutrons = mass number - atomic number

= 12-6 = 6

4 0
4 years ago
This is for a study guide, I can't figure it out!
miskamm [114]
<span>The answer is "D" where the number of collisions per unit area is reduced by one-half. Drawing back on the piston means the volume is increased. The pressure is reduced. There are fewer collisions when the pressure is reduced.</span>
3 0
3 years ago
Consider the nuclear equation below. 15/8 O ==&gt; 15/7 N + 0/+1 e Which correctly identifies the type of reaction?
sweet [91]
B: Beta plus Decay :)
6 0
3 years ago
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