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andre [41]
3 years ago
7

Enzymatic breakdown of which of the following compounds doesn't begin until it reaches the stomach?A) lipidsB) carbohydrates C)

proteins
Chemistry
1 answer:
kvv77 [185]3 years ago
7 0

Answer is proteins (C)

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What would be considered the reactant(s) in H2 + O2 <-> H2O
jeka94

Answer:

H2+ 02

Explanation:

becuase those 2 are at the beginning of the equation and in front of the equilibrium sign :)

6 0
4 years ago
Iron has a density of 7.86 g/cm3 (1 cm3=1 mL). Calculate the volume (in dL) of a piece of iron having a mass of 3.94 kg . Note t
Rudik [331]
1 g/cm³ --------------- 0.1 kg/dL
7.86 g/cm³ ---------- ?

7.86 x 0.1 / 1 => 0.786 kg/dL

D = m / V

0.786 = 3.56 / V

V = 3.56 / 0.786

V = 4.529 dL

<span>hope this helps!</span>
6 0
4 years ago
A pumpkin has a volume of 10 cm and a mass of 8 g. what is the density of the pumpkin​
cricket20 [7]

Answer: 0.8g/cm^3

Explanation:

In seeing your problem, I see an issue with your units for centimeter. The volume is in the third dimension, so we use cm^3 every single time for the volume. That way, we can arrive to the correct density (in g/cm^3)

Density = mass/volume and so

Density = 8g/10cm^3

= 0.8g/cm^3

7 0
3 years ago
A common antacid contains the acid-neutralizing agent sodium hydrogen carbonate. Write the chemical formula for sodium hydrogen
kaheart [24]
Sodium hydrogen carbonate has:
sodium \:  ion ( {Na}^{+}), hydrogen \\  ion ( {H}^{+}), and \:  carbonate \\ ion ( {CO3}^{2-})
The + from Na+ and + from H+ makes 2+, and therefore the 2- from CO3 evens the charges to neutral.

Not to be confused with Sodium Carbonate, (Na2CO3), which lack an H, Sodium Hydrogen Carbonate is sometimes shortened to just Sodium Bicarbonate. It is used in the kitchen (cooking) as "baking soda."

Formula: NaHCO3
3 0
3 years ago
What is the difference between an endothermic and an exothermic reaction?
Oliga [24]
An exothermic process releases heat, causing the temperature of the immediate surroundings to rise. An endothermic process absorbs heat and cools the surroundings
4 0
2 years ago
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