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storchak [24]
3 years ago
8

What is used to measure the energy in a chemical reaction?

Chemistry
2 answers:
vova2212 [387]3 years ago
5 0

I'm pretty sure it's a calorimeter.

White raven [17]3 years ago
3 0

Answer:

calorimeter

Explanation:

calorimeter

A calorimeter is a device used to measure the amount of heat involved in a chemical or physical process. For example, when an exothermic reaction occurs in solution in a calorimeter, the heat produced by the reaction is absorbed by the solution, which increases its temperature.

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Draw the product of the reaction between 2-pentanol and PBr3. You do not have to consider stereochemistry. You do not have to ex
artcher [175]

Answer:

2-bromopentane

Explanation:

In this case, we have a substitution. An Sn2 reaction. With this in mind, we have to identify the leaving group in this case "OH" from the 2-pentanol. The nucleophile is a "Br" atom provided by the PBr3. So, the "OH" would be replaced by "Br". If we have an Sn2 reaction we will have an inversion in the configuration. If we start with a wedge bond for "OH" we will have a dashed bond for "Br", if we have a dashed bond for "OH" we will have a wedge bond for "Br". In the 2-pentanol we have any special configuration because we don't have a chiral carbon, so we can have both options (wedge and dashed) for the product (See figure 1).

7 0
3 years ago
If the pOH of a cesium hydroxide solution is known to be 4.00. what is the (OH)? *Please round your answer to the appropriate nu
Snowcat [4.5K]

Answer:

i going to be aniston i would say take a gess

4 0
3 years ago
what ph indicator is added to the simmons citrate agar? group of answer choices phenol red methylene green bromothymol blue litm
NikAS [45]

The most common pH indicator used in Simmons Citrate Agar is Bromthymol Blue (BTB)

Simmons Citrate Agar is a selective and differential medium used for the detection and differentiation of Enterobacteriaceae (gram-negative bacteria).

The medium contains sodium citrate as the sole carbon source, which is used to differentiate organisms based on their ability to utilize citrate as a sole carbon source.

The medium also contains pH indicators that change color based on the pH of the medium. The most common pH indicator used in Simmons Citrate Agar is Bromthymol Blue (BTB).

BTB is a pH indicator that turns yellow in acidic conditions and blue in basic conditions. As the bacteria metabolize the citrate in the medium, they produce acids, which cause the medium to become acidic.

This change in pH is detected by the BTB, which changes color from blue to yellow. The yellow coloration of the medium is an indication that the organism is utilizing citrate as a sole carbon source.

To know more about agar, click below:

brainly.com/question/4634808

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7 0
1 year ago
It is ok to remove chemicals or other equipment fromm the laborory.<br> 0True<br> 0False
NemiM [27]

Answer:

false

Explanation:

if removed, where would u get the things

3 0
3 years ago
Sugars are polar substances. Which action would make sugar more soluble in water?
Helen [10]

Answer the correct answer for the question is option a Increase in temperature of water.

Explanation- When the temperature of water is increased the energy of water is increased at molecular level, this increased energy causes vibration between the hot water molecules bit faster than in normal water which also allows the sugar molecules to vibrate and associate with water at molecular level as it gets more space between the molecules.  

Hence this action would make sugar more soluble in water.

5 0
3 years ago
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