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Mkey [24]
3 years ago
5

Non-native species are typically introduced into an area because they serve a purpose. Why was kudzu introduced into the United

States? Check all that apply.
Chemistry
1 answer:
attashe74 [19]3 years ago
6 0

Answer:

Explanation:

The Kudzu is a plant that was introduced to the United States from Japan in the year 1876. In the United States it was introduced as an ornamental plant but with a reason which was to prevent soil erosion. Kudzu was disseminated as being high-protein content used to steer feed as well as a spreading plant to counteract soil erosion.

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How can you recognize an alcohol?
gavmur [86]

Answer:

O D. It has an -OH group attached to the end of the molecule.

Explanation:

Some alcohols have hydroxyl group (OH) attached to the end of a molecule and some have it attached as a branch on the molecule

{ \rm{R - OH \:  : \: primary \: alcohol   \: (1 \degree)}}  \\  \\ { \rm{R -(OH) - R {}^{i}  \:  : secondary \: alcohol \: (2 \degree)}} \\  \\ { \rm{R - R {}^{i} (OH) - R {}^{ii}  \:  : tertiary \: alcohol \: (3 \degree)}}

  • R is aryl or alkyl group
  • OH is hydroxyl group
5 0
3 years ago
. How much energy is lost by a 30.0g sample of water that decreases in temperature from 56.7C to 25.0C?
lbvjy [14]

Answer:

Q = -3980.9 j

Explanation:

Given data:

Mass of sample = 30 g

Initial temperature = 56.7 °C

Final temperature = 25 °C

Specific heat of water = 4.186 j/g.°C

Amount of heat released = ?

Formula:

Q = m.c.ΔT

Q = heat released

m = mass of sample

c = specific heat of given sample

ΔT = change in temperature

Solution:

ΔT = T2 -T1

ΔT = 25 °C - 56.7 °C = - 31.7°C

Q = m.c.ΔT

Q = 30 g × 4.186 j/g.°C ×  - 31.7°C

Q = -3980.9 j

8 0
3 years ago
The acid-dissociation constant at 25.0 °c for hypochlorous acid (hclo) is 3.0 ⋅ 10−8. at equilibrium, the molarity of h3o+ in a
maks197457 [2]

Hypochlorous acid is a weak acid. The K_{a} value for the dissociation of HOCl is 3.0 * 10^{-8}


3 0
3 years ago
List 3 Metals in the periodic table.
musickatia [10]
Chromium , silver, zinc...
6 0
3 years ago
Read 2 more answers
N which of these substances are the atoms held together by metallic bonding?
Over [174]
Cr


Hope that helps, Good luck! (:
6 0
3 years ago
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