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2 years ago

5

Think about the processes that occur within your body everyday as well as those that take place within plants and animals all of

which involve chemical conversion

2 answers:

SpyIntel [72]2 years ago

8 0

Our bodies and plants bodies produce glucose which helps give us energy. Glucose comes from food and fats from the things we eat eve

Sunny_sXe [5.5K]2 years ago

3 0

Of some type of sugar to a oxygen or carbon dioxide

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Pure water is 40 percent acid and 60 percent alkaline <br><br> True or false

Verdich [7]

The answer would be true

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3 years ago

Which do you think could work to reduce air pollution and global warming

natka813 [3]

Recycling!! And also planting more trees.

Hope this helps!

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3 years ago

In the following overall chemical reaction, aluminum displaces chromium from chromium(III) oxide and forms aluminum oxide.

mafiozo [28]

Answer:

Change in enthalpy for the reaction is -536 kJ

Explanation:

Overall chemical reaction can be represented a summation of two given elementary steps with slight modification.
Take reaction (1a) and divide stoichiometric coefficients by 2
Take reverse reaction (2a) and divide stoichiometric coefficient by 2
Then add these two modified elementary steps to get overall chemical reaction
$\Delta H$ is an additive property. hence value of $\Delta H$ will be changed in accordance with modification

$2Al+\frac{3}{2}O_{2}\rightarrow Al_{2}O_{3}.....\Delta H_{1}=\frac{-3351.4}{2}kJ=-1675.7kJ$

$Cr_{2}O_{3}\rightarrow 2Cr+\frac{3}{2}O_{2}....\Delta H_{2}=\frac{2279.4}{2}kJ=1139.7kJ$

--------------------------------------------------------------------------------------------------------------

$2Al+Cr_{2}O_{3}\rightarrow 2Cr+Al_{2}O_{3}....\Delta H=\Delta H_{1}+\Delta H_{2}=-1675.7+1139.7kJ=-536kJ$

6 0

3 years ago

Help me please What makes water filters better

yanalaym [24]

Answer:

well according to salesman they take out all and out all bacteria that is in the water that the water filters installed in the systems already don't take out so in other wordsthere and the water filter takes that out

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2 years ago

Read 2 more answers

Describe the results of the experiment that proved atoms contain positive,negative, and neutral particles

Bezzdna [24]

Explanation:

J.J. Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. ... Rutherford's gold foil experiment showed that the atom is mostly empty space with a tiny, dense, positively-charged nucleus.

there u go :>

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3 years ago