CHEMISTRY HIGH SCHOOL

Joel weighs a basket containing 7 peaches.Each peach weigh 200g. How many kilograms does the basket weigh

Answers

Answer 1

Answer:

Answer:

Explanation:

1 kg is 1000 grams

1 peach is 200 grams

7 peaches are 200*7 = 1400 grams

Therefore the number of kg = 1400 grams // 1000 grams /kg

The number of kg = 1.4 kg.

Answer 2

Answer:

Answer:

Explanation:

7 times 200 is 1400 grams but thats not the question it asks in kilo's so i got a converter and the correct answer is 1.4 kilograms

Have a nice day :)

please give me brainiest lol

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How does an acid–base indicator react when placed in an acidic solution?It changes color.
It dissolves.
It increases the pH of the solution.
It releases hydroxide ions.

Answers

Answer: Option (a) is the correct answer.

Explanation:

An acid-base indicator is an indicator which changes color according to the pH of solution in which it is placed.

For example, phenolphthalein is an acid-base indicator.

Thus, we can conclude that out of the given options, an acid–base indicator react by changing color when placed in an acidic solution, is the correct option.

an indicator changes color when placed in an acidic solution

Which substance has a melting point greater than room temperatureO A. argon
O B. oxygen
O
C. mercury
O D. aluminum

Answers

Aluminum is solid at room temperature and will, therefore, have a melting point that is above room temperature.

Melting point

The room temperature is about 25 degrees Celsius.

Argon and oxygen are gases at room temperature.

Mercury is a liquid at room temperature.

Aluminum, on the other hand, is solid at room temperature. Hence, its melting point is definitely somewhere above room temperature.

More on melting points can be found here: brainly.com/question/25777663

What do you think will happen if you pinch your arm after you stub your toe?

Answers

It would distract the pain in your toe. That's all I got

it would distract the pain

A student wants to do scientific research on how nuclear fusion can be usedas a power source on Earth. What type of scientist does the student want to
become?

Answers

Answer:

A physicist

Explanation:

A physicist is one who deals with matter energy and how they are related

A 1.0 m h2s solution has a ph = 3.75 at equilibrium. what is the value of ka?

Answers

When H2S dissociates in water, it forms 2H+ and S2-. This means the expression of Ka [H+]^2[S2-] / [H2S]. H+ concentration can be derived from the pH thru 10^-pH. This is equal to 1.7783 x10^-4 M. Ka now becomes [1.7783 x10^-4 M]^2*[1.7783 x10^-4 M/2]/ [1.0-1.7783 x10^-4 M] equal to 2.8122 x10^-12.

Answer:

3.16 × 10−8

Explanation:

Changes in color , energy, and odor are indications that a