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frutty [35]
3 years ago
10

Sally does the work in 2.3 hours and Pete does 2.5

Chemistry
2 answers:
Yuri [45]3 years ago
5 0
Pete because 2.5 x 2.3 is faster
Ipatiy [6.2K]3 years ago
5 0
I agree with the other comment
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A 20 L cylinder of gas at 5.6 atm pressure at 35 degrees Celsius is heated to 95 degree Celsius and compared to 23 atm. What is
ella [17]

Answer:

5.8 L  

Step-by-step explanation:

This looks like a case where we can use the <em>Combined Gas Law</em> to calculate the temperature.

p₁V₁/T₁ = p₂V₂/T₂               Multiply both sides by T₂

p₁V₁T₂/T₁ = p₂V₂                Divide each side by V₂

V₂ = V₁ × p₁/p₂ × T₂/T₁  

=====

<em>Data</em>:

p₁ = 5.6 atm

V₁ = 20 L

T₁ = 35 °C = 308.15 K

p₂ = 23 atm

V₂ = ?

T₂ = 95 °C = 368.15 K

=====

<em>Calculation: </em>

V₂ = 20 × 5.6/23 × 368.15/308.15  

V₂ = 20 × 0.243 × 1.19  

V₂ = 5.8 L  

6 0
3 years ago
Qué condiciones existen entre las condiciones históricas del surgimiento de la filosofía​
frutty [35]

Answer:

History is the study of the past in all its forms. Philosophy of history examines the theoretical foundations of the practice, application, and social consequences of history and historiography. It is similar to other area studies – such as philosophy of science or philosophy of religion – in two respects.

Explanation:

7 0
3 years ago
Heptane and water do not mix, and heptane has a lower density (0.684 g/mL) than water (1.00 g/mL). A graduated cylinder contains
Alekssandra [29.7K]

Answer:

TRY HARD!

Explanation:

DO UR WORK ANG GET IT DONE!

3 0
1 year ago
What is the name of the tide when the sun, moon, and earth are all aligned, causing the greatest pull for highest and lowest tid
Tasya [4]

Answer:

spring tide

Explanation:

When the sun, moon, and Earth are in alignment (at the time of the new or full moon), the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides — both commonly called spring tide

6 0
3 years ago
Read 2 more answers
AGO H2SO4 (aq) Al(SO4)3(aq) H28) fe Cl218) FeCl38<br>​
Rina8888 [55]

Answer:

2Al + 3H2SO4 → Al2(SO4)3 + 3H2

2Fe + 3Cl2 → 2FeCl3

Explanation:

1. (SO4) 3 you see this 3 it means that 3 must be behind H2SO4. So now it's 3H2SO4.

2. If 3 is now behind one H2, it must be behind the other.

So now it's 3H2.

3. Al2 (SO4) 3 has 2 ahead of Al which means there will be 2Al in the reactants.

1. FeCl3 has 3 ahead of Cl, and Cl2 has 2. Which means that behind FeCl3 goes 2, and behind Cl2 goes 3 so now we have equated all Cl.

2. Since it is now 2FeCl3, we know that there must be 2 in the second Fe. It's 2Fe now.

7 0
3 years ago
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