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3 years ago

Which of the following is not an example of a physical property?

Chemistry

1 answer:

Viefleur [7K]3 years ago

7 0

<span>c.
reactivity

this is a physical property depends on how reactive something is</span>

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An object has a mass of 20 g and volume of 10 cm. Enter the numerical value for the density of the object in units of g/cmº

Nady [450]

Answer:

density = 2g/cm³

Explanation:

density = mass/volume

mass = 20g

volume = 10cm³

density = 20g/10cm³

density = 2g/cm³

6 0

3 years ago

Anyone understand this ?!

wlad13 [49]

Answer and Explanation:

$Hello!$

$Let's~answer~your~question!$

$Here,~they're~asking~as~to~balance~the~equation,~which~means,~you~have~to\\start ~by ~writing ~down ~the~ number~ of ~atoms~ in ~each ~element, ~which ~is ~listed\\ ~in ~the ~subscript~ next~ to ~each ~atom.$

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5 0

3 years ago

Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to standardize strong base solutions.

Norma-Jean [14]

$2 KHP(aq) + Ba(OH)_{2}(aq) ---> KP_{2}Ba (aq) + 2 H_{2}O (l)$ \

Moles of $Ba(OH)_{2}$ = $0.483 \frac{mol}{L} * 28.5 mL *\frac{1 L}{1000mL} = 0.0138 mol Ba(OH)_{2}$

Mass of KHP = $0.0138 mol Ba(OH)_{2} * \frac{2 mol KHP}{1 mol Ba(OH)_{2}} * \frac{204.22 g KHP}{1mol KHP}$

= 5.64 g KHP

6 0

3 years ago

Read 2 more answers

What type of elements make up an ionic compound

xenn [34]

Answer:

Those that “prefer” A charge; the Halogens and Chalcogens are good examples - Halogen MEANS salt forming, and even organic compounds can form salts; look up “tropylium ion”.

Explanation:

5 0

3 years ago

I really need help please

Greeley [361]

Answer:

I think it's B

hope this helps

5 0

3 years ago