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ozzi
3 years ago
15

Which type of energy is released in chemical reactions?

Chemistry
2 answers:
Elena-2011 [213]3 years ago
3 0
Chemical energy is released 
IRINA_888 [86]3 years ago
3 0
Thermal. Hope this Helps!!
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The moon is 250,000 miles away. How many inches is it from earth?
Lapatulllka [165]

Answer:

1.584e10 = 15,840,000,000,000

Explanation:

250,000 miles

multiply the length value by 63360

25e4 x 63360

= 1.584e10

3 0
3 years ago
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Calculate the empirical formula for each of the following natural flavors based on their elemental mass percent composition.
tamaranim1 [39]

Answer:

Nitroglycerin- CNH2O3

Vanilin- C3H3O

Explanation:

The empirical formula is the simplest formula of a compound. It depicts the ratio of atoms of each element in the compound. It can be obtained by dividing the percentage by mass of each element by its relative atomic mass. The lowest ratio obtained is now used to divide all the previously obtained ratios and whole number values are recorded. This shows the ratio of atoms of each element present, hence the empirical formula.

5 0
4 years ago
Which civilization formed a confederation thay may have impacted the us government
lana66690 [7]

Answer:

Anasazi

Explanation:

3 0
3 years ago
How many moles are in 28g of Fe2O3
nlexa [21]

Find the molar mass of Fe_2O_3

2Fe = 2*56 = 112

3O = 3* 16 =    48

Molar Mass = 160 grams

moles= given mass / molar mass

moles = 28 / 160

moles = 0.175   <<<< answer

6 0
4 years ago
WILL AWARD BRAINLIEST! HELP ME OUT PLESSE! I NEED HELP WITH THIS!
marin [14]

Answer:

LiOH (aq) + VCl3(aq) ---> LiCl(aq) + V(OH)3(s) - unbalanced

3LiOH (aq) + VCl3(aq) ---> 3LiCl(aq) + V(OH)3(s) - balanced

3Li+OH- (aq) + V3+(Cl-)3(aq) ---> 3Li+Cl-(aq) + V3+(OH-)3(s) - showing ions

3Li+(aq) + 3OH- (aq) + V3+(aq) + 3Cl-(aq) ---> 3Li+(aq) + 3Cl-(aq) + V3+(OH-)3(s) (some courses don't show the charges in insoluble ionic compounds - so V(OH)3(s)) - Showing soluble ionic compounds as separate ions.

3OH- (aq) + V3+(aq) ---> V3+(OH-)3(s) (or V(OH)3(s)) - without spectator ions

Explanation:

i don't know if this is right ore not but i hope this helps even if it is just a little bit sorry if this does not help i truly apologize

8 0
3 years ago
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