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Darya [45]
3 years ago
9

Help i have the stupid

Chemistry
2 answers:
Effectus [21]3 years ago
7 0

Answer:

B) From the car

Explanation:

The car is in motion

marin [14]3 years ago
5 0
I think the answer is D in my opinion
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40 points, will mark brainliest if you are correct within a day :)
mr_godi [17]

     Humans and Animals will be affected differently in many ways. The construction of roads has to access logging, oil, and mining sites in the forest.  These roads are funded by government and development agencies, some are financed by private companies or development interests.

     For humans, it is somewhat better because the food products come from rainforests as well, such as bananas, citrus, cassava, avocado, cashews, Brazil nuts, vanilla, sugar, coffee, tea, and cocoa. Medicine also comes from the rainforest, some of the ingredients for medicine come from the plants. So do materials such as rubber, oil, gum, resins, and paper. However, if we grew more farms and gardens we would be able to provide food from those gardens and farms, it will take more work, but it will be worth it. Using the products in the rainforest, it's a bad thing and a good thing. The food and materials help survive, yet it could kill the forest and places for animals to live in.

     There are many roads that are being built or upgraded, it's a good thing because it can be a lot safer for us, humans, to drive in. But again, they won't be able to fix all the roads, and adding roads in the rainforest would be a waste of time and just kill the animals and the forest itself. It can help the people in the forest much more, but as we see, the people also survive that way. Road construction in the forest can cause impede streams, increase forest flooding, and drastically increase soil erosion. If that happened fish can die out and other species.  And degraded lands are also often less able to hold onto water, which can worsen flooding.

     If we did keep the roads paved at all times, it can save money and energy and reduces greenhouse gas emissions, more than offsetting pollution generated during road construction, according to a new study. Many parts of the world are increasingly the result of political pressure from corporate interests, namely loggers, mining companies, oil and gas developers, and industrial agricultural firms, rather than government-backed poverty alleviation and development efforts.

       The deforestation of rainforests can be a big and devastating effect on our world. It can lead to many animals getting extinct, which is happening as of today. It also decreases the biodiversity that our planet enjoys. It can also lead to the degradation of soil and to erosion, as trees and plants usually hold the ground in place and provide necessary nutrients to it. It can also have a huge effect on our climate, and climate can destroy animals, like in the Arctic.

7 0
3 years ago
Read 2 more answers
Consider the reaction N2(g) + 2O2(g)2NO2(g) Using standard thermodynamic data at 298K, calculate the entropy change for the surr
zysi [14]

<u>Answer:</u> The value of \Delta S^o for the surrounding when given amount of nitrogen gas is reacted is 231.36 J/K

<u>Explanation:</u>

Entropy change is defined as the difference in entropy of all the product and the reactants each multiplied with their respective number of moles.

The equation used to calculate entropy change is of a reaction is:

\Delta S^o_{rxn}=\sum [n\times \Delta S^o_{(product)}]-\sum [n\times \Delta S^o_{(reactant)}]

For the given chemical reaction:

N_2+2O_2\rightarrow 2NO_2

The equation for the entropy change of the above reaction is:

\Delta S^o_{rxn}=[(2\times \Delta S^o_{(NO_2(g))})]-[(1\times \Delta S^o_{(N_2(g))})+(2\times \Delta S^o_{(O_2(g))})]

We are given:

\Delta S^o_{(NO_2(g))}=240.06J/K.mol\\\Delta S^o_{(O_2)}=205.14J/K.mol\\\Delta S^o_{(N_2)}=191.61J/K.mol

Putting values in above equation, we get:

\Delta S^o_{rxn}=[(2\times (240.06))]-[(1\times (191.61))+(2\times (205.14))]\\\\\Delta S^o_{rxn}=-121.77J/K

Entropy change of the surrounding = - (Entropy change of the system) = -(-121.77) J/K = 121.77 J/K

We are given:

Moles of nitrogen gas reacted = 1.90 moles

By Stoichiometry of the reaction:

When 1 mole of nitrogen gas is reacted, the entropy change of the surrounding will be 121.77 J/K

So, when 1.90 moles of nitrogen gas is reacted, the entropy change of the surrounding will be = \frac{121.77}{1}\times 1.90=231.36 J/K

Hence, the value of \Delta S^o for the surrounding when given amount of nitrogen gas is reacted is 231.36 J/K

7 0
3 years ago
A negative change in entropy indicates that...
vovangra [49]

Answer:

B. the products have a smaller number of available energy microstates than the reactants.

4 0
3 years ago
Read 2 more answers
How do you explain reaction of stiochiometry
Mama L [17]

Answer:

Chemical reactions are balanced by adding coefficients so that the number of atoms of each element is the same on both sides. Stoichiometry describes the relationship between the amounts of reactants and products in a reaction.

Explanation:

3 0
3 years ago
NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!
Paraphin [41]
<h2>Answer:  C) 1s²2s²2p⁶</h2>

<h3>Explanation:</h3>

A noble gas has 8 electrons between the p and s orbitals of the outer shell. Helium is the exception because it only has two electrons.

<h3>                       ∴  1s²2s²2p⁶ is the noble gas (neon)</h3>

7 0
2 years ago
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