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Olegator [25]
2 years ago
8

1 Rajah 1 menunjukkan satu contoh mikroorganisma. Diagram 1 shows an example of microorganisms. 0 Rajah 1 / Diagram I Antara yan

g berikut, yang manakah pengelasan yang betul bagi mikroorganisma ini? Which of the following is the correct classification for this microorganism? A Alga / Algae B Fungi / Fungi C Virus / Virus D Bakteria / Bacteria​
Chemistry
1 answer:
docker41 [41]2 years ago
3 0

Answer:

d. Bacteria is the correct classification

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The great French chemist Antoine Lavoisier discovered the Law of Conservation of Mass in part by doing a famous experiment in 17
yawa3891 [41]

Answer:

a. 2 HgO(s) ⇒ 2 Hg(l) + O₂(g)

b. 0.957 g

Explanation:

Step 1: Write the balanced equation

2 HgO(s) ⇒ 2 Hg(l) + O₂(g)

Step 2: Convert 130.0 °C to Kelvin

We will use the following expression.

K = °C + 273.15

K = 130.0°C + 273.15

K = 403.2 K

Step 3: Calculate the moles of O₂

We will use the ideal gas equation.

P × V = n × R × T

n = P × V/R × T

n = 1 atm × 0.0730 L/0.0821 atm.L/mol.K × 403.2 K

n = 2.21 × 10⁻³ mol

Step 4: Calculate the moles of HgO that produced 2.21 × 10⁻³ moles of O₂

The molar ratio of HgO to O₂ is 2:1. The moles of HgO required are 2/1 × 2.21 × 10⁻³ mol = 4.42 × 10⁻³ mol.

Step 5: Calculate the mass corresponding to 4.42 × 10⁻³ moles of HgO

The molar mass of HgO is 216.59 g/mol.

4.42 × 10⁻³ mol × 216.59 g/mol = 0.957 g

5 0
3 years ago
A jar of mixed nuts is a ________ mixture
Alisiya [41]
It is a heterogeneous mixture <span>
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5 0
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How many photons of light are emitted when the electrons in 10 hydrogen atoms drop from energy level 5 to 3?
nata0808 [166]
The Answer is 10 it a little difficult to explain but I’ll try my best
6 0
3 years ago
PLEASE HELP ME !!!!!!
Leviafan [203]

Answer: b

Explanation:

By adding heat you are adding more energy

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Doxorubicin because it is one of the most powerful drugs in chemotherapy
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