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Arlecino [84]
3 years ago
9

Is a oak tree a invertebrates

Chemistry
2 answers:
viva [34]3 years ago
7 0

Answer:

yes

Explanation:

oak trees don't have vertebrates

Inga [223]3 years ago
5 0

Answer: the animals on it are but i dont think the oak tree is

Explanation:

Virtually every part of an oak tree—roots, trunk, bark, branches, leaves, and acorns—serves as food for a number of invertebrates. Invertebrates, especially insects, may be categorized as oak pests if they feed on living plant tissues.

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What are the possible values of ml for an electron in a d orbital?
spin [16.1K]
The correct answer for the question that is being presented above is this one: "-2, -1, 0, 1, 2." T<span>he possible values of ml for an electron in a d orbital are -2, -1, 0, 1, 2. </span>Since the allowed values for mℓ range from −ℓ to +ℓ, once you know the value for ℓ you know the values for mℓ."
3 0
3 years ago
Where are the most reactive nonmetal elements found on the periodic table?
Varvara68 [4.7K]

Answer is: group 17 on the periodic table.

Group 17 (halogens) elements are: fluorine (F), chlorine (Cl), bromine (Br) and iodine (I).

They are very reactive and easily form many compounds.  

Fluorine and chlorine are in gaseous state, bromine is liquid and iodine is in solid state in room temperature.

Halogens need to gain one electron to have electron cofiguration like next to it noble gas.

For example, fluorine has 9 electrons and it gain easily one electron in chemical reaction to have electron configuration like noble gas neon (Ne) with 10 electrons.  

6 0
3 years ago
Read 2 more answers
Fill in the blanks to complete the hypothesis for this lab experiment.
AleksandrR [38]

Answer:

If NaOH of a known concentration neutralizes HCl of an unknown concentration, then you can use the volumes to determine the concentration of the HCl, because, at the equilibrium point, the number of moles of HCl equals the number of moles of NaOH.

Explanation:

I just finished the assignment.

7 0
3 years ago
A 100 W light bulb is placed in a cylinder equipped with a moveable piston. The light bulb is turned on for 2.0×10−2 hour, and t
drek231 [11]

Answer:

(a) ΔU = 7.2x10²

(b) W = -5.1x10²

(c) q = 5.2x10²

Explanation:

From the definition of power (p), we have:

p = \frac {\Delta W}{\Delta t} = \frac {\Delta U}{\Delta t} (1)

<em>where, p: is power (J/s = W (watt)) W: is work = ΔU (J) and t: is time (s) </em>  

(a) We can calculate the energy (ΔU) using equation (1):

\Delta U = p \cdot \Delta t = 100 \frac{J}{s} \cdot 2.0\cdot 10^{-2} h \cdot \frac{3600s}{1h} = 7.2 \cdot 10^{2} J  

(b) The work is related to pressure and volume by:

\Delta W = -p \Delta V

<em>where p: pressure and ΔV: change in volume = V final - V initial      </em>

\Delta W = - p \cdot (V_{fin} - V_{ini}) = - 1.0 atm (5.88L - 0.85L) = - 5.03 L \cdot atm \cdot \frac{101.33J}{1 L\cdot atm} = -5.1 \cdot 10^{2} J

(c) By the definition of Energy, we can calculate q:

\Delta U = \Delta W + \Delta q

<em>where Δq: is the heat transfer </em>

\Delta q = \Delta U - \Delta W = 7.2 J - (-5.1 \cdot 10^{2} J) = 5.2 \cdot 10^{2} J    

I hope it helps you!  

6 0
4 years ago
John finds a rock that contains large, light-colored mineral crystals. the rock shows no sign of being altered by heat or pressu
cupoosta [38]

From the above statement, John can infer that the rock underwent metamorphism and also is not altered by heat or pressure.

<u>Explanation</u>:

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  • During metamorphism, the chemical and the mineral content of prolith are changed due to changes in the environment based on physical and chemical conditions.
  • Even though the rocks remain solid, fluid is present between the macroscopic spaces.
  • This gives "The Geologist" accurate information of what happens beneath the earth during the formation of mountains.
  • Metamorphic rocks are like probes that go down the earth and comes back giving information of what happens underneath the surface.
4 0
3 years ago
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