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SVETLANKA909090 [29]
3 years ago
11

Please help ASAP!!

Chemistry
2 answers:
Luda [366]3 years ago
7 0
It is because heat energy depends on the mass of the body, the pond has more molecules than that of the cup of boiling water, hence more kinetic energy and hence more heat/thermal energy.
joja [24]3 years ago
4 0

Answer:

The pond has more energy because I is so much larger that the Cup of boiling water. Since that mass of the pond is so much larger, It is generating more energy than a boiling cup of water.

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A sample of rainwater is tested with the indicator bromothymol blue and it turns yellow. What is most likely PH of rainwater? 4,
kirill [66]

Answer:

4

Explanation:

bromothymol blue turns yellow betwwen then pH levels of 2 and 6

7 0
3 years ago
Difference between ntp and stp​
Phantasy [73]

Answer:

STP stands for Standard Temperature and Pressure. NTP stands for Normal Temperature and Pressure.

Explanation:

STP is set by the IUPAC as 0°C and 100 kPa or 1 bar.

NTP is set at 101.325 kPa but uses 20°C as the temperature

8 0
3 years ago
Determine the resulting pH when 12mL if 0.16M HCl are reacted with 32 mL if 0.24M KOH.
TEA [102]

Answer:

pH = 13.1

Explanation:

Hello there!

In this case, according to the given information, we can set up the following equation:

HCl+KOH\rightarrow KCl+H_2O

Thus, since there is 1:1 mole ratio of HCl to KOH, we can find the reacting moles as follows:

n_{HCl}=0.012L*0.16mol/L=0.00192mol\\\\n_{KOH}=0.032L*0.24mol/L=0.00768mol

Thus, since there are less moles of HCl, we calculate the remaining moles of KOH as follows:

n_{KOH}=0.00768mol-0.00192mol=0.00576mol

And the resulting concentration of KOH and OH ions as this is a strong base:

[KOH]=[OH^-]=\frac{0.00576mol}{0.012L+0.032L}=0.131M

And the resulting pH is:

pH=14+log(0.131)\\\\pH=13.1

Regards!

3 0
3 years ago
In which of the following are the symbol and name for the ion given correctly
Ivenika [448]
I don't see the symbols or the ions. sorry. can you type them out so I can help

3 0
3 years ago
Read 2 more answers
What is 140.2 in scientific notation
Akimi4 [234]

Answer:

1.402 * 10^2.

Explanation:

There are 3 digits before the decimal point so the exponent is 2.

4 0
3 years ago
Read 2 more answers
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