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a_sh-v [17]
3 years ago
9

A scientist is using a microscope to observe a type of bacteria. Which two structures would the scientist most likely see?

Chemistry
2 answers:
iogann1982 [59]3 years ago
6 0

Answer:

cell wall and vacuole

Explanation:

zvonat [6]3 years ago
4 0

Answer:

Coccus and Bacillus

Explanation:

bacillus means bacteria in thread-like structure and coccus -spherical in shape. these are the most common shapes of bacteria other like streptococcus, staphylococcus, etc are formed from the combination of the above.

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Which statement below correctly describes the relationship between Q and K for both reactions? Are these reactions spontaneous a
nikklg [1K]

Answer:

Q < K for both reactions. Both are spontaneous at those concentrations of substrate and product.

Explanation:

Hello,

In this case, the undergoing chemical reactions with their proper Gibbs free energy of reaction are:

A->B;\Delta _rG^o=-13 kJ/mol

C ->D ;\Delta _rG^o=3.5 kJ/mol

The cellular concentrations are as follows: [A] = 0.050 mM, [B] = 4.0 mM, [C] = 0.060 mM and [D] = 0.010 mM.

For each case, the reaction quotient is:

Q_1=\frac{4.0mM}{0.050mM}=80\\ Q_2=\frac{0.010mM}{0.060mM}=0.167

A typical temperature at a cell is about 30°C, in such a way, the equilibrium constants are:

K_1=exp(-\frac{-13000J/mol}{8.314J/mol*K*303.15K} )=173.8\\K_2=exp(-\frac{3500J/mol}{8.314J/mol*K*303.15K} )=0.249

Therefore, Q < K for both reactions. Both are spontaneous at those concentrations of substrate and product.

Best regards.

6 0
3 years ago
How many molecules are in 11 moles of O2? Watch your significant figures. Question 5 options: A. 6.6 atoms of O2 B. 6.62 x 1024
brilliants [131]

Explanation:

6.62 × 1023 atom of O2 is your answer

please mark as brilliant

3 0
3 years ago
PLEASE HELP!!!!!!!
shusha [124]

Answer:

impacts on visiters

Explanation:

hope this is right sorry if its not

Joshua Tree suffers from air pollution and smog blowing into the park. Increased warming from climate change worsens the visibility from smog and air pollution, due to the chemistry of how smog reacts to heat.

4 0
2 years ago
All faculty members are happy to see students help each other. Dumbledore is particularly pleased with Hermione. Though, it shou
____ [38]

Answer:

m_{Mg}=30.8mgMg

Explanation:

Hello,

Based on the given chemical reaction, as 31.2 mL of hydrogen are yielded, one computes its moles via the ideal gas equation under the stated conditions as shown below:

n_{H_2}=\frac{PV}{RT}=\frac{754torr*\frac{1atm}{760torr}*0.0312L}{0.082 \frac{atm*L}{mol*K}*298.15K}=1.27x10^{-3}molH_2

Now, since the relationship between hydrogen and magnesium is 1 to 1, one computes its milligrams by following the shown below proportional factor development:

m_{Mg}=1.27x10^{-3}molH_2*\frac{1molMg}{1molH_2}*\frac{24.305gMg}{1molMg}*\frac{1000mgMg}{1gMg}\\m_{Mg}=30.8mgMg

Best regards.

3 0
3 years ago
An element has an atomic number of 27. How many protons and electrons are in a neutral atom of the element
Sergeu [11.5K]

Answer:

27 and 32

Explanation:

3 0
3 years ago
Read 2 more answers
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