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777dan777 [17]
3 years ago
14

Write the following numbers in scientific notation.

Chemistry
1 answer:
Basile [38]3 years ago
3 0

Answer:

2,5,10

Explanation:

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Dl water will test<br> _________for protein?
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Answer:

Total protein range. The normal range for total protein is between 6 and 8.3 grams per deciliter (g/dL). This range may vary slightly among laboratories.

Explanation:

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3 years ago
A 20.0 g piece of a metal is heated and place into a calorimeter containing 250.0 g of water initially at 25.0 oC. The final tem
BartSMP [9]

Answer:

Q_{metal} = -6799\,J

Explanation:

By the First Law of Thermodynamics, the piece of metal and water reaches thermal equilibrium when water receives heat from the piece of metal. Then:

Q_{metal} = - Q_{w}

Q_{metal} = m_{w} \cdot c_{p,w}\cdot (T_{1}-T_{2})

Q_{metal} = (250\,g)\cdot \left(4.184\,\frac{J}{g\cdot ^{\textdegree}C} \right)\cdot (25\,^{\textdegree}C - 31.5\,^{\textdegree}C)

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6 0
3 years ago
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4. The picture shows a full moon.
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Answer:

A full moon occurs when the Moon appears as a complete circle in the sky.

Explanation:

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6 0
2 years ago
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Water is capable of dissolving a variety of different substances, which is why it is such a good solvent. it is often called the
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Water is often referred as a <span>universal solvent </span>because it is capable dissolving much more solutes as compared to any other solvent.  This is because, water is a high polar molecule. In water, H has partial positive charge while O has partial negative charge. 


Due to this, water favors dissociation of molecules into positively and negatively charged ions. Positively charge ions gets attracted  towards oxygen i.e. negatively charges, while negatively charged ions get attracted towards positive end of water molecule. 


However, it is worth nothing that, despite water being referred as universal solvent, many compounds are insoluble or partially soluble in water. For instance, most of the hydroxide displays poor solubility in water.

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2 years ago
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Match each term with its definition. 1) reaction coordinate
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1) reaction coordinate is : <span>b.the plot of the reaction progress as a function of time
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2 years ago
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