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Igoryamba
3 years ago
9

Claude Bernard first recognized _____.

Chemistry
1 answer:
storchak [24]3 years ago
3 0

Answer : Option B) Plant stomata opening and closing to maintain homeostasis.

Explanation : Claude Bernand was a French Physiologist who first discovered about "homeostasis" which is defined as the controlled stability of the internal milieu, or internal environment, of cells and tissues in plants.

In plants stomatal opening and closing was done for maintaining homeostasis with the external and internal plant environment.

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13500 mL convert to milliliters of mercury
larisa86 [58]

Answer:approximately 5.627 × 1019 milliliters

Explanation:

8 0
2 years ago
Calculate the molar mass of a gaseous substance if 0.125 g of the gas occupies 93.3 mL at STP.
just olya [345]

Answer:

30.0g/mol

Explanation:

Step 1: Given data

  • Mass of the gas: 0.125 g
  • Pressure (P): 1 atm (standard pressure)
  • Temperature (T): 273.15 K (standard temperature)
  • Volume (V): 93.3 mL

Step 2: Calculate the moles of the gas

We will use the ideal gas equation.

P \times V = n \times R \times T\\n = \frac{P \times V}{R \times T} = \frac{1atm \times 0.0933L}{\frac{0.0821atm.L}{mol.K}  \times 273.15K} = 4.16 \times 10^{-3} mol

Step 3: Calculate the molar mass of the gas

4.16 × 10⁻³ moles correspond to a mass of 0.125 g. The molar mass of the gas is:

\frac{0.125g}{4.16 \times 10^{-3} mol} =30.0g/mol

7 0
3 years ago
Consider the reaction between ozone and a metal cation, m2+, to form the metal oxide, mo2, and dioxygen: o3 + m2+(aq) + h2o(l) →
Mandarinka [93]
O3 + M2+(aq) + H2O(l) => O2(g) + MO2(s) + 2 H+
Eo(cell) = Eo(O3/O2) - Eo(MO2/M2+)
0.44 = 2.07 - Eo(MO2/M2+)
Eo(MO2/M2+) = 1.59 V
5 0
4 years ago
Read 2 more answers
Pickles and lemons have a sour taste. what types of substances are in pickles to give them this sour taste
postnew [5]
The taste of Acid is Sour, that of Base is Bitter and salt is salty. So, Pickle and Lemons give sour taste due to presence of Acids. The sour taste of Lemon is due to presence of Citric Acid in it. While the sour taste of Pickle is due to presence of Vinegar (5% Acetic Acid Solution). Vinegar is mainly used to prevent the Pickle from Bacterial Attack.
6 0
3 years ago
Does the bowling ball have more potential energy or kinetic energy as it is halfway through its fall? Why?
ahrayia [7]

Answer:

more kinetic

Explanation:

I think the kinetic energy is 75 percent while the potential energy is 25 percent

5 0
3 years ago
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