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ohaa [14]
3 years ago
12

What Most Often Causes The Availability Of Water To Change?

Chemistry
1 answer:
Margaret [11]3 years ago
8 0

Answer:the answer is C

Explanation:

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All of the following are reasons why equations or balanced EXCEPT
Anni [7]

Answer:

monkey

Explanation:

4 0
3 years ago
What is the maximum number of electrons that an S orbital can have?
mixas84 [53]
S orbit can hold 2 electrons
8 0
3 years ago
Read 2 more answers
A wooden boat discovered just south of the great pyramid in egypt has a carbon-14>carbon-12 ratio that is 72.5% of that found
Kazeer [188]
The half life for C14 is 5730 years.

We assume that Carbon 14/ Carbon 12 ratio was steady for living organisms over time, the problem is actually telling us that
\frac{Nt}{N0} = 0.0725 = \frac{1}{2}ˣ

Take the natural logarithm and In on both sides.
ln(0.725) = ln\frac{1}{2}ˣ
= - 0.3216 = xln (\frac{1}{2} = -0.6931x.
So x = (-.3216) / (-0.6931) = 0.464
or

t/t₁/₂ = 0.464
So t = 0.464 x t₁/₂ = 0.464 * 5730 yrs = 2660 years.
7 0
3 years ago
The density of ice is 0.917 g/cm3. What volume of ice does 52.75 g occupy?
Vadim26 [7]

Answer:

The answer is

<h2>57.52 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}

From the question

mass of ice = 52.75 g

density = 0.917 g/cm³

The volume of the ice is

volume =  \frac{52.75}{0.917}  \\  = 57.52453653

We have the final answer as

<h3>57.52 mL</h3>

Hope this helps you

4 0
3 years ago
A chemist has 2. 0 mol of methanol (CH3OH). The molar mass of methanol is 32. 0 g/mol. What is the mass, in grams, of the sample
natima [27]

The mass, in grams, of the sample of methanol (CH₃OH) is 64 grams.

<h3>How we calculate mass from moles?</h3>

Mass of any substance can be calculated by using moles as:

n = W/M, where

W = required mass

M = molar mass

In the question that:

Moles of methanol = 2mole

Molar mass of methanol = 32g/mole

On putting these values in the above equation, we get

W = n × M

W = 2mole × 32g/mole = 64g

Hence, 64 grams is the mass of the sample.

To know more about moles, visit the below link:

brainly.com/question/15374113

6 0
3 years ago
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