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3 years ago

Which of these instruments sends its measurements directly to a computer?

Chemistry

2 answers:

JulijaS [17]3 years ago

5 0

Only C. a temperature probe sends its measurement directly to a computer.

However, you can buy stopwatches that send their measurements via Bluetooth to your smartphone and you can then download them to a computer.

NemiM [27]3 years ago

4 0

C is the only answer that makes sense

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Consider the partial equation. Br2 + NaF --> Which best completes the chemical equation?

balandron [24]

Answer is (1) - no reaction.

<em>Explanation; </em>

Some of you may think this reaction as a single replacement reaction which gives NaBr + F₂ as products.

But, according to the reactivity of the halogens, reactivity decreases from up to bottom of the group. F is placed above Br. Hence, F is more reactive than Br. Hence, Br can't replace F.

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2 years ago

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5C + 6O2 = ? What will be the product of molecules formed from this equation?

harina [27]

Answer:5 moles ofCarbonmonoxide and 3.5 moles of oxygen gas.This in combine to yield carbon dioxide.

Explanation:

5C + 6O2----------5CO + 7/2O2.

When carbon combine with oxygen, carbon monoxide is formed first and it later recombine with oxygen to yield carbon dioxide.

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3 years ago

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Determine the number o( bonding electrons and the number of nonbonding electrons in the structure of CO_2. Enter the number of b

Rom4ik [11]

NOF (6,12)

CO2 (8,8)

BeF (4,12)

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2 years ago

The pressure of a sample of helium in a 200. ml container is 2.0 atm. If the helium is compressed to a pressure of 40. atm witho

Crank

Answer:

$V_2=10mL$

Explanation:

Hello there!

In this case, according to the given information, it will be possible for us to solve this problem by using the Boyle's law as an inversely proportional relationship between pressure and volume:

$P_2V_2=P_1V_1$

In such a way, we solve for the final volume, V2, and plug in the initial volume and pressure and final pressure to obtain:

$V_2=\frac{P_1V_1}{P_2} \\\\V_2=\frac{2.0atm*200.mL}{40.atm}\\\\V_2=10mL$

Regards!

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3 years ago

The Scott Test is used when which drug is suspected?

marishachu [46]

It is a presumptive test for cocaine.

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2 years ago

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