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emmasim [6.3K]
3 years ago
6

What does bacteria cell and plant cell have in common

Chemistry
1 answer:
Natasha_Volkova [10]3 years ago
7 0

Answer:

They both have a cell wall

Explanation:

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If after heating the reaction between magnesium and hydrochloric acid, the mass of the magnesium chloride and beaker is measured
Allushta [10]

Since the beaker was heated we can asume that only magnesium cloride is left in the beaker, therfore the difference between the beaker with magnesium chloride and the empty beaker give the mass of magnisium chloride:

\text{mass MgCl}_2=massbeakerwithMgCl_2-mass\text{ emprty beaker =37.83 g - 33.95g = 3.8}8g

7 0
1 year ago
Isotopes (such as hydrogen-1, hydrogen-2, and hydrogen-3) are atoms of the same element that differ in:
maria [59]
They have a different amount of neutrons.
8 0
3 years ago
10<br> 20<br> 30<br> 40<br> 50<br> 60<br> 70<br> 80<br> 90<br> 100g<br> 100<br> 200<br> 300<br> 400<br> 500g<br> 0<br> 1<br> 2<b
r-ruslan [8.4K]

Answer:

2047

Explanation:

4 0
3 years ago
Monodisperse polyacrylonitrile contains molecules with the general formula -(CH2CHCN)n-, where n is typically greater than 10,00
pentagon [3]

Answer:

7.68 × 10²⁴

Explanation:

Step 1: Calculate the mass of 1 molecule of the monomer CH₂CHCN

We will get the mass of the monomer by adding the masses of the elements.

mCH₂CHCN = 3 × mC + 3 × mH + 1 × mN

mCH₂CHCN = 3 × 12.01 amu + 3 × 1.01 amu + 1 × 14.01 amu = 53.07 amu

Step 2: Convert the mass of the monomer to grams

We will use the conversion factor 1 amu = 1.66 × 10⁻²⁴ g

53.07 amu × 1.66 × 10⁻²⁴ g/1 amu = 8.81 × 10⁻²³ g

Step 3: Calculate "n"

We will divide the mass of the polymer by the mass of the monomer.

n = 676.8 g / 8.81 × 10⁻²³ g = 7.68 × 10²⁴

6 0
3 years ago
2. Petroleum is used to make
Nonamiya [84]

Answer:

D. all of the above

Explanation:

5 0
3 years ago
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