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statuscvo [17]
3 years ago
13

Ice is actually frozen ______

Chemistry
2 answers:
sergeinik [125]3 years ago
8 0

Answer:

water

Explanation:

or h2o i mean theyre the same thing soo..

Ann [662]3 years ago
3 0
H20 (water), hope this helps
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This is a reaction going on in your muscle cells right this very minute:The enzyme triose phosphate isomerase catalyzes this rea
Arisa [49]

Explanation:

The given reaction is as follows.

       E + S \rightleftharpoons ES \xrightarrow[]{k_{2}} E + P

Here, [E] = triose phosphate isomerase = 0.1 nm = 0.1 \times 10^{-9}m

         [S] = Dihydroxy acetone phosphate = 5 \mu m = 5 \times 10^{-6}m

         [P] = Glyceraldehyde-3-phosphate = 2 \mu m = 2 \times 10^{-6}m

Therefore, velocity of the reaction will be as follows.

          v = \frac{d[P]}{dt} = \frac{K_{2}[E][S]}{K_{M} + [S]}

where, K_{M} = Michaelic menten constant = \frac{K_{1} + K_{2}}{K_{1}}

            v = \frac{900 \times 0.1 \times 10^{-9}m \times 5 \times 10^{-6}m}{10^{-5} + 5 \times 10^{-6}}

               = 30 \times 10^{-9} m

or,            = 30 nm/s

Hence, we can conclude that the actual velocity of the forward reaction under physiologic conditions if KM = 10 μM is 30 nm/s.

5 0
3 years ago
Gaseous BF3 and BCl3 are mixed in equal molar amounts. All B-F bonds have about the same bond enthalpy, as do all B-Cl bonds. Co
lord [1]

Solution :

$BF_3 (g) + BCl_3 (g) \rightarrow BF_2 Cl + BCl_F(g)$

<u>Explanation 1 </u>:

Spontaneity of the reaction is based on two factors :

-- the tendency to acquire a state of minimum energy

-- the energy of a system to acquire a maximum randomness.

Now, since there isn't much difference in the bond enthalpies of B-F and B-Cl. So, we can say the major driving factor is tendency to acquire a state of maximum randomness.

<u>Explanation 2 </u>:

A system containing the \text{"chemically mixed"} B halides has a \text{greater entropy} than a system of $BCl_3$ and BF_3.

It has the same number of \text{gas phase molecules}, but more distinguishable kinds of \text{molecules}, hence, more microstates and higher entropy.

8 0
3 years ago
F. fluorite scratches limestone and gypsum
Alenkinab [10]

Answer:

f  i thnk

Explanation:

8 0
3 years ago
Read 2 more answers
Unknown # 29
sveticcg [70]

Answer:

I think it's a sulphate ion, because when you add hydrochloric acid to it it produces bubbles and when you add barium chloride it then produces a white precipitate.its formula is SO4

I hope this helps

8 0
3 years ago
Determine the oxidation state a manganese in each of the following structures. a) Mn0₂ b) Mn2O7 C) KMnO4 .​
irina1246 [14]

Explanation:

please mark me as brainlest

6 0
2 years ago
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