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Delvig [45]
2 years ago
10

What is a food web?

Chemistry
2 answers:
wlad13 [49]2 years ago
5 0

Answer:

D. How several food chains are related

Explanation:

Leni [432]2 years ago
3 0
The answer is D how several food chains are related.
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Use the solubility generalizations on the information page to predict if one or more precipitates will form when aqueous solutio
neonofarm [45]

Answer:

3 (NH4)2SO4(aq) + 2 Al(NO3)3(aq) → 6 NH4NO3(aq) + Al2(SO4)3(aq)

Explanation:

In solubility rules, all ammonium and nitrates ions are solubles and all sulfates are soluble except the sulfates that are produced with Ca²⁺, Sr²⁺, Ba²⁺, Ag⁺ and Pb²⁺. That means the NH4NO3 and the Al2(SO4)3 produced are both <em>soluble and no precipitate is predicted. </em>

The reaction is:

<h3>3 (NH4)2SO4(aq) + 2 Al(NO3)3(aq) → 6 NH4NO3(aq) + Al2(SO4)3(aq)</h3>
6 0
2 years ago
How many grams of hydrogen in 1.85moles
olga2289 [7]
2H2(g) + O2(g) → 2H2O(1) 0 260 g 0.2068 0.180 g 2008 When 45.0 g of CH4 reacts with excess O2, the actual yield of CO2 is 118 g. What is the percent yield? CHA(g) + 2O2(g) - CO2(g) + 2H2O(g) 73.6% 67.9% 95.2% 86.4% For the reaction: 2503(g) + 790 kcal - 25(s) + 3O2(g), how many kcal are needed to form 1.5 moles O2(g)? 790 kcal 395 kcal 2370 kcal 411 kcal When 3 moles of Ny are mixed with 5 moles of H2 the limiting reactant is N2(g) + 3H2(g) - 2NH3(g) H2 NH3 ОООО H20 O N₂
5 0
2 years ago
What is the density of an object that has a mass of 20g and a volume of 10 cc?
Alexxandr [17]
i believe
2 g/mL
good luck!
5 0
3 years ago
Assume that the variables x and y are inversely related. If k = 18, what is the value of y for each of the following points?
kogti [31]
6_____18 record your data to be used in the following problem.
4 0
2 years ago
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Which type of reaction is Mg + S → MgS?
Aleksandr [31]

The type  of reaction that is  Mg +S→  MgS  is a  synthesis reaction


  <u><em>Explanation</em></u>

Synthesis reaction  as refers to as direct combination is a reaction  in which two or   more chemical   species   combine  to form   more  complex  product.

 The reaction  of  Mg  +S → MgS  is a synthesis  reaction because;

    Mg combine with  S to form a more complex product MgS

8 0
3 years ago
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