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3 years ago

13

Please help! I put all my points into this question, brainliest, thanks, rattings, etc.

1 answer:

kkurt [141]3 years ago

8 0

A higher concentration of reactants leads to more collisions per unit time and leads to an increasing reaction rate. Changing the pressure of gaseous reactants is, in effect, changing their concentration. The increased number of collisions caused by a higher pressure generally increases the reaction rate.

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If 0.35 moles of kcl was dissolved in enough water to make 0.2 L of solution, what is molarity?

Mars2501 [29]

Answer:

1.75M

Explanation:

molarity = number of moles of solute/ number of L of solution =

=0.35 mol/0.2L = 1.75 mol/L = 1.75 M

8 0

3 years ago

a block of wood has a density of 0.95 g/cm3. will it float or sink when placed on a liquid with a density of 0.88 g/mL? explain

vesna_86 [32]

Since 1mL=1cm^3 the wood would sink due to it being more dense. I.e. 0.95>0.88

3 0

3 years ago

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What do you call a bond that forms when electrons are transferred from one atom to another?

AlekseyPX

It is called an ionic bond

4 0

3 years ago

iron has a density of 7.86 g cm3 could a block of metal with a mass of 18.2 and a volume of 2.56 cm^3 be iron?

satela [25.4K]

The density of the block will be "7.11 gm/cm³". A further explanation is provided below.

Given values are:

Density of iron,

$7.86 \ g/cm^3$

Mass of block of metal,

$18.2 \ gm$

Volume of block,

$2.56 \ cm^3$

By using the formula,

→ $Density = \frac{Mass}{Volume}$

then,

→ The density of block will be:

= $\frac{Mass}{Volume}$

= $\frac{18.2}{2.56}$

= $7.11 \ gm/cm^3$

Learn more:

brainly.com/question/10804879

7 0

2 years ago

Select odd one out.<br> I) O<br> II) Na<br> III) Cu<br> IV) Ag

USPshnik [31]

Explanation:

0 is the odd one...............

and rest are metals and they lose electron and 0 gain electron and is non metal

4 0

3 years ago

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