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Maru [420]
3 years ago
14

I need help ASAP... look at the picture:)

Chemistry
2 answers:
Greeley [361]3 years ago
7 0
A or c I’m not sure something to do with the activation energy from the reactants to the products
bogdanovich [222]3 years ago
6 0

Answer:

its definitely A

Explanation:

hope this helps

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Which statements describe a closed circuit? Check all that apply.
ehidna [41]

Answer:

The answers are options A, D and E

Explanation:

Shut circuit implies a total electrical association around which flow streams or courses. When you have a progression of electrical wires interfacing with one another and finishing a circuit so flow goes from one end of the hover to alternate, this is a case of a shut circuit. A broken wire or an "open" (off) switch both leave holes in a circuit keeping electrons from going from one side of the power source to the next. In this way, electrons won't stream. This circumstance is called an open circuit. A shut (on) switch implies that the circuit through the switch is connected.The meaning of an open circuit is a broken way for an electrical flow because of an open switch or frayed wire. A case of an open circuit is a string of electric lights that don't work on the off chance that one globule goes out. YourDictionary definition and utilization precedent. Shut circuit implies an entire electrical association around which flow streams or circles. When you have a progression of electrical wires associating with one another and finishing a circuit so flow goes from one end of the hover to alternate, this is a case of a shut circuit.

7 0
4 years ago
Read 2 more answers
All of the atoms of argon have the same?
JulijaS [17]
2 is right i would think
4 0
3 years ago
Read 2 more answers
Can anyone help me with this question please! asap
irina [24]

Answer:

The correct answer to that question is glaciers, waves, wind.

7 0
3 years ago
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Air bags are activated when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. Th
Zarrin [17]

Answer: 136 g of  NaN_3 must be reacted to inflate an air bag to 70.6 L at STP.

Explanation:

Using ideal gas equation:

PV=nRT

P= pressure of nitrogen gas = 1 atm (at STP)

V =volume of nitrogen gas = 70.6 L

n = number of moles of nitrogen gas = 1 atm (at STP)

R = gas constant = 0.0821 Latm/Kmol

T = temperature of nitrogen gas = 273 K (at STP)

1atm\times 70.6L=n\times 0.0821 L atm/K mol\times 273

n=3.14

For the balanced chemical reaction:

2NaN_3(s)\rightarrow 2Na(s)+3N_2(g)

3 moles of nitrogen are produced by = 2 moles of NaN_3

3.14 moles of nitrogen are produced by =\frac{2}{3}\times 3.14=2.09 moles of NaN_3

Mass of NaN_3 = Moles × Molar mass = 2.09 mole × 65 g/mol = 136 g

7 0
4 years ago
When you've just taken a stick of butter out of the fridge what is it like?what are some of its properties
alexandr402 [8]

Answer:

Out of personal experience (lol), I'd say the stick of butter is hard, cold, and very smooth at first. Once heated up or just kept at room temp for a while, it becomes mushy.

Hope I helped! ☺

3 0
3 years ago
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