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GuDViN [60]
3 years ago
10

The momentum of an object is in the same direction as its

Chemistry
1 answer:
fredd [130]3 years ago
8 0
The direction<span> of </span>the momentum<span> is the </span>same<span> as the </span>direction<span> of the velocity of the ball. </span>
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my attic keeps making sound and thombs wat does it mean iam creeped out right now it just happened and the lightbulb was shaking
BigorU [14]

1. Make sure it isnt something other than a ghost(i.e. something falling)

2. Record what you see and hear

3. See if anyone hears the same thing as you(unless your home alone)

4. Be confident and dont be fearful because ghost sense fear

5. Pray or perform an exorsism( if this is part of your religion)

6. After the ghost leaves, clean up.( like literally mops the floors and stuff. it keeps the ghosts out)

Good Luck ! :]

7 0
3 years ago
Which type of molecule is shown below?<br><br> A. Alcohol<br> B. Ester<br> C. Amine<br> D. Ketone
igomit [66]

Answer:

Ketone molecule

Explanation:

8 0
3 years ago
How does the nucleus control cellular activity?
eimsori [14]
The nucleus directs all cellular activities by controlling the synthesis of proteins. ... The nucleus contains encoded instructions for the synthesis of proteins in a helical molecule called deoxyribonucleic acid (DNA). The cell's DNA is packaged within the nucleus in a structural form called chromatin.
3 0
3 years ago
Cuál es la importancia de una fórmula química y explique las clases de fórmulas con sus ejemplos respectivos.
Ksenya-84 [330]

Answer and Explanation:

Las fórmulas químicas sirven para conocer qué elementos químicos y en qué cantidad están presentes en un compuesto químico. Por ejemplo: la fórmula química del dióxido de carbono es CO₂. Esta fórmula nos indica que la molécula de dióxido de carbono está formada por 1 átomo del elemento químico carbono y 2 átomos del elemento oxígeno.

Los diferentes tipos de fórmulas químicas son: fórmula empírica, fórmula molecular, fórmula semi-desarrollada y fórmula desarrollada. Tomando como ejemplo al compuesto <em>butano</em>:

- Fórmula empírica: C₂H₅ (indica que hay 2 átomos de C por cada 5 átomos de H; es una fórmula mínima)

- Fórmula molecular: C₄H₁₀ (indica que en realidad cada molécula de butano tiene 4 átomos de C y 10 átomos de H).

- Fórmula semi-desarrollada: CH₃CH₂CH₂CH₃ (indica el órden en que se unen los átomos en la molécula).

-Fórmula desarrollada: ver dibujo adjunto (indica cómo están unidos los átomos dentro de la molécula. Ahora vemos los enlaces entre los átomos y que los 2 átomos de C de los extremos están unidos a 3 átomos de H y a otro C, y los dos átomos de C del medio están unidos cada uno a 2 C y 2 H).

8 0
3 years ago
How many molecular of H2O and O2 are present in 8.5g of H2O2 ?​
Mama L [17]

2H2O+O2--->2H2O2  

8.5 gm H2O2=0.25 mole  

hence H2O is also 0.25 mole i.e.4.5 gm  

O2is 0.125 mole i.e.4 gm

4 0
3 years ago
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