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nekit [7.7K]
3 years ago
10

Before the initial explosion was the matter hot or cold

Chemistry
1 answer:
Maurinko [17]3 years ago
4 0
<span>This type of expansion can occur either in a hot or cold universe, under the right ... but not ordinary atomic matter made from electrically neutral atoms.</span>
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85g=kg?<br> Unit conversion.
Paraphin [41]

Answer:

0.085 kg

Explanation:

1 g=0.001 kg  OR 1 kg=1000 g

 so \frac{85}{1000}=0.085 kg

3 0
3 years ago
This indicator becomes colored when the solution is no longer acidic.
Irina-Kira [14]

Answer:

Is pink in base solution, it provides a visual signal that a solution has changed from acid to a base, is colorless in acid solution.

Explanation:

As all the indicator, phenolphtalein has the property that turns pink when the solution that you have reaches a value of a pH of 9 or above. From 0 to 8 in a pH scale, is colorless. This point in which an indicator changes is it called equivalence point.

3 0
3 years ago
A scientist thinks she has discovered a new element. She took some samples to her colleagues and they performed some tests. Here
nirvana33 [79]

Answer:

<em><u>Proton number of the supposed discovery debunked the theory.</u></em>

Explanation:

Proton number of an element is also its atomic number.

For the element in question to have had a proton number that wasn't 119, it could not have been a new element.

Furthermore, the characteristics described (proton number especially) describe exactly the Germanium element.

I believe this was helpful.

6 0
3 years ago
Please help me!! I’m confused and this teacher doesn’t know how to teach.
Marianna [84]

Answer:

chemical change bcoz it cannot be in the past form

8 0
3 years ago
Mushrooms, yeast, and mold are part of the Kingdom ____________.
Anit [1.1K]

Answer:

fungi

Explanation:

because they are heterotrophs

7 0
3 years ago
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