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N76 [4]
2 years ago
6

10. Haley the hummingbird can fly from a pansy flower to a hibiscus flower 20 meters away in 5 seconds.

Chemistry
2 answers:
Dennis_Churaev [7]2 years ago
4 0

Answer:

4

Explanation:

Speed=Distance/time, so 20/5 divide time divided by distance. so the answer is 4.

BartSMP [9]2 years ago
4 0

Answer:4

Explanation:

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How many water molecules are created when 32 grams of oxygen react completely with 4.0 grams of hydrogen?
ch4aika [34]

Answer:

d. 1.2 × 1024

Explanation:

From the equation of reaction

2H2 + O2= 2H2O

i.e 2mole(4g) of hydrogen requires 1 mole(32g) of oxygen to produce 2mole (2×6.02×10^23 molecules) of H2O= 1.2×20^24 molcules of water.

NB: 1 mole of H2O contains 6.02×10^23 molecules of H2O

3 0
3 years ago
I need help ASAP!!! What type of chemical bond holds Lit and F together in LiF?
Bond [772]

Answer:

The correct answer is a) lonic Bond

Explanation:

Lithium fluoride (LiF) is a salt, formed by an ionic bond between a metal (Li) compound and a nonmetal (F).

4 0
3 years ago
What other green plant which make they own food
kobusy [5.1K]

Answer and

Explanation:

Chlorophyll gives plants their green color because it does not absorb the green wavelengths of white light. That particular light wavelength is reflected from the plant, so it appears green. Plants that use photosynthesis to make their own food are called autotrophs

3 0
3 years ago
What name is given to bonds that involve the sharing of electrons? What name is given to bonds that involve the sharing of elect
Alina [70]

Answer:

Covalent bonds.

Explanation:

Covalent bonds are intermolecular bonds which involve the sharing of electrons between atoms or molecules and ions with close or near electronegativity values.

This usually form molecules. This is also the sharing of electrons donated by one of the atoms or by both of the atoms to form a molecule and at the same time obtain a stable octet state.

3 0
3 years ago
Which coommon substance is an acid A. water B. bleach C. Vinegar D. baking soda
makvit [3.9K]

Answer:

C. VINEGAR

Sana maka tulong

8 0
3 years ago
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