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3 years ago

HELP PLZ! ANSWER THE ATTACHED...

Chemistry

1 answer:

Sphinxa [80]3 years ago

4 0

Chemical change occurred because the boiling point of the water has increased its temperature and the gas molecules may have increased from slow to fast or from fast to slow<span />

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Carry out some research into how new elements get their name and their symbols. Write out a short passage (no more than 50 words

spin [16.1K]

The IUPAC says that elements have to be named after one of five things: a scientist, a place, a mineral or substance, a descriptor of the element, or a mythological reference. Of the new elements, three are named after places and one is named after a person No-one has yet named an element after themselves but many elements are named in tribute to important scientists
(you can cut some stuff out)

6 0

3 years ago

Is pOH=4.3 an acid or a base

AfilCa [17]

Answer:

a base

Explanation:

first convert the pOH to pH, that way it will

be easy to decide.

formula:pOH+pH=14

pH=14-4.3=9.7

high pH tells us it's a base

6 0

3 years ago

Paladinen [302]

Answer:

$\boxed{\text{452 mg}}$

Explanation:

(a) Convert pounds to kilograms.

$\text{Mass} = \text{ 166 lb} \times \dfrac{\text{453.59 g}}{\text{1 lb}} \times\dfrac{\text{1 kg}}{\text{1000 g}} = \text{75.30 kg}$

(b) Calculate the dose

$\text{Dose} = \text{ 75.30 kg body mass} \times \dfrac{\text{6.00 mg Elixophyllin}}{\text{1 kg body mass}} = \textbf{452 mg Elixophyllin}\\\text{The dose of Elixophyllin for a 166 lb person is $\boxed{\textbf{452 mg}}$}$

3 0

3 years ago

What information does the rate constant give from the rate law?

Dmitry [639]

Answer:

Explanation:

Because how would you know what the reaction rate is and how it is affected by the concentrations

4 0

3 years ago

If you drop soap on the floor is the soap dirty or is the floor clean?

tia_tia [17]

Answer:

hahahaha the soappp is dirty and the floor gets clean

6 0

3 years ago