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3 years ago

What essential need of an organism jaw, arms, legs, teeth and eyes they serve to fill

Chemistry

1 answer:

zhenek [66]3 years ago

5 0

Well they help your body in lots of different ways so you could say that they help you in your senses if im crrect

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A student observes the chemical process described by this equation:

choli [55]

Answer:

Both are equal

Explanation:

Mass of starting material i.e Aluminium is $4.480 * 10^{-23}$ grams

The weight of oxygen is $2.65 * 10^{-23}$

There are 4 atoms of aluminium and 3 atoms of oxygen

Thus, the total mass of starting material is

$4 *$ mass of one atom of aluminium $+ 6 *$ mass of one atom of oxygen

$4 * 4.480 * 10^{-23} + 6* 2.65 * 10^{-23}$

$35.1 * 10^{-23}$ grams

Mass of new substance is also equal to

$4 *$ mass of one atom of aluminium $+ 6 *$ mass of one atom of oxygen

$4 * 4.480 * 10^{-23} + 6* 2.65 * 10^{-23}$

$35.1 * 10^{-23}$ grams

5 0

3 years ago

Which season will the northern hemisphere experience when the axis of Earth is tilted towards the sun? Fall Spring Summer Winter

aleksley [76]

The season will be summer

3 0

3 years ago

Read 2 more answers

4 major nutrient types broken down by the digestive system. Name these 4 major nutrients

Leto [7]

Answer:

Proteins, fats, carbohydrates, vitamins link, minerals link, and water are nutrients. Your digestive system breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair.

Explanation:

4 0

3 years ago

0.378g grams of a compound is made up of 0.273g of Mg and 0.105g nitrogen. Find its empirical formula.

Harrizon [31]

Answer:

The empirical formula of the compound is $Mg_3N_2$ .

Explanation:

Mass of magnesium in compound = 0.273 g

Mass of nitrogen in the compound = 0.105 g

Moles of magnesium = $\frac{0.273 g}{24.305 g/mol}=0.0112 mol$

Moles of nitrogen = $\frac{0.105 g}{14.0067 g/mol}=0.00750 mol$

Form empirical formula divides the lowest value of moles of an element present with all the moles of elements present.

Magnesium $=\frac{0.0112 mol}{0.00750 mol}=1.5$

Nitrogen $=\frac{0.00750mol}{0.00750 mol}=1$

The empirical formula of a compound:

$Mg_{1.5}N_1=Mg_{\frac{15}{10}}N_1=Mg_{15}N_{10}=Mg_3N_2$

The empirical formula of the compound is $Mg_3N_2$ .

3 0

3 years ago

Which layer forms the cap rock for the oil trap?

noname [10]

Layer F from this image

6 0

3 years ago

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