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Ilia_Sergeevich [38]
3 years ago
5

Many animals influence and contribute to ecosystem services. As pollinators, how do bees ultimately contribute to direct

Chemistry
1 answer:
skelet666 [1.2K]3 years ago
3 0

Answer:

Im gonna say its b

Explanation:

b

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2. What is the limiting reagent if 0.5 g Al is reacted with 3.5 g CuCl2?(Reminder: CuCl2 is a dihydrate)
lozanna [386]

2. CuCl₂·2H₂O is limiting reactant.

Chemical reaction: 3CuCl₂·2H₂O + 2Al → 3Cu + 2AlCl₃ + 6H₂O. m(Al) = 0,5 g.

\\

8 0
3 years ago
A truck tire has a volume of 218 L and is filled with air to 35.0 psi at 295 K. After a drive, the air heats up to 318 K. (b) If
Alenkasestr [34]

The pressure (in psi) is 37.1

We are given the following information:

- The initial temperature of the air, $T_{1}=295 \mathrm{~K}$

- The initial pressure, $P_{1}=35.0 \mathrm{psi}$.

- The initial volume, $V_{1}=208 \mathrm{~L}$

- The final temperature, $T_{2}=319 \mathrm{~K}$

- The increase in the volume is $2 \%$, that is, $\Delta V=\frac{2}{100} V_{1}$ where $\Delta V$is the increase in the volume.

The combined gas law states that a fixed amount of an ideal gas obeys the following equation: $\frac{P V}{T}=$ constant, where:

- P is the Pressure of the gas.

- V is the Volume of the gas.

- n is the number of moles of gas.

$R=8.31 \mathrm{~J} / \mathrm{mol} \mathrm{K}=0.0821 \mathrm{~L} \cdot {atm} / \mathrm{mol} \cdot \mathrm{K}$ is the Universal Gas constant.

- T is the absolute temperature of the gas.

The final volume of the air is:

$$\begin{aligned}V_{2} &=V_{1}+\Delta V \\&=V_{1}+\frac{2}{100} V_{1} \\&=\frac{102}{100} V_{1}\end{aligned}$$

Equating the initial and final state, we have:

$$\begin{aligned}\frac{P_{2} V_{2}}{T_{2}} &=\frac{P_{1} V_{1}}{T_{1}} \\\Rightarrow P_{2} &=\frac{V_{1}}{V_{2}} \times \frac{T_{2}}{T_{1}} \times P_{1} \\&=\frac{V_{1}}{102 V_{1} / 100} \times \frac{319 \mathrm{~K}}{295 \mathrm{~K}} \times 35.0 \mathrm{psi} \\& \approx 37.1 \mathrm{psi}\end{aligned}$$

The ideal gas law states that a universal constant for an ideal gas is the ratio of the product of pressure and temperature to the product of the number of moles and absolute temperature. The resultant equation is known as the combined gas law if the number of moles in the ideal gas law is set to a constant.

Learn more about combined gas law brainly.com/question/13154969

#SPJ4

8 0
2 years ago
Convert 5.15 meters to inches
sukhopar [10]

Answer:

202.76 inches

Explanation:

1 meter = 39.37 inches

5.15 × 39.37 = 202.7559,when rounded it's 202.76

5 0
3 years ago
The number of wavelengths in a given unit of time can be calculated and measured as the wave’s
kykrilka [37]
The answer is Frequency.
8 0
4 years ago
Hurry 60 points<br><br> Can two green fish mate and have orange offspring? <br><br> why or why not
Mademuasel [1]

Answer: Yes

Explanation:

This simulates the way offspring are formed by sperm from the male fish combining randomly with eggs from the female fish.

4 0
3 years ago
Read 2 more answers
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