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mina [271]
3 years ago
6

A food web shows

Chemistry
1 answer:
hram777 [196]3 years ago
6 0
A food web shows all of the possible energy pathways through an ecosystem. 
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How many grams of KNO3, are needed to create 675.0 mL with a concentration of 1.71 M
valkas [14]

Answer:

Бардык белгилүү авиация мыйзамдарына ылайык, аары учуу мүмкүнчүлүгү жок. Канаттары өтө эле кичинекей, семиз денесин чече албайт. Албетте, аары баары бир учат. Себеби аарылар адам мүмкүн эмес деп эсептеген нерсеге маани бербейт.

Explanation:

Канаттары өтө эле кичинекей, семиз денесин чече албайт. Албетте, аары баары бир учат. Себеби аарылар адам мүмкүн эмес деп эсептеген нерсеге маани бербейт.

4 0
3 years ago
If a wave has an energy of 2300 j, what is the frequency of that wave
Margarita [4]

Answer:The energy of a wave is directly proportional to its frequency, but inversely proportional to its wavelength. In other words, the greater the energy, the larger the frequency and the shorter (smaller) the wavelength.

Explanation:

5 0
3 years ago
PLEASE HELP FAST!! WILL MARK BRAINLIEST
Rashid [163]

Answer:

sorry i am proor sorry

Explanation:

..... .........

5 0
2 years ago
Given 7.55 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100
Brilliant_brown [7]
MC3H7COOC2H5: (12×6)+(1×12)+(16×2) = 116 g/mol
mC3H7COOH: (12×4)+(1×8)+(16×2) = 88 g/mol

88g....................................................116g
C3H7COOH + C2H5OH ---> C3H7COOC2H5 + H2O
7,55g..................................................X

X = (116×7,55)/88
X = 9,952g of ethyl butyrate
8 0
3 years ago
Read 2 more answers
When hot lava reaches seawater, the salts in the water react with steam to form gaseous hydrochloric acid. You are given an unba
nignag [31]
Cl⁻ + H₂O(g) = HCl(g) + OH⁻

w - it is percent chloride ions in solid sea salt (as a rule 55%)

m - it is the mass of sea salt

m(Cl⁻)=mw/100

m(Cl⁻)/M(Cl)=V(HCl)/V₀

mw/{100M(Cl)}=V(HCl)/V₀

m=100M(Cl)V(HCl)/{wV₀}  (<span>the mass of solid sea salt)</span>

V₀=22.4 L/mol
M(Cl)=35.45 g/mol

for example:
V(HCl)= 1.0 L
w=55%

m=100×35.45×1.0/{55×22.4}=2.88 g



4 0
3 years ago
Read 2 more answers
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