Locate the element xenon (Xe) on the periodic table and click on the square. What class of element is xenon found in? A)nonmetal B)halogen c)noble gas D)alkali metal

Answer: 1.55 Jg°C

Explanation:

The quantity of Heat Energy (Q) required to heat a substance depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

Thus, Q = MCΦ

Since,

Q = 943 joules

Mass of oil = 10g

C = ? (let unknown value be Z)

Φ = (Final temperature - Initial temperature)

= 89°C - 28°C = 61°C

Then, Q = MCΦ

943 J = 10g x Z x 61°C

943J = 610g°C x Z

Z = (943J / 610g°C)

Z = 1.55 Jg°C

Thus, the specific heat of the oil is 1.55 Jg°C

Answer:

All plants present in the plant kingdom are separated by into smaller groups.The smaller groups contains plant species which are more similar to one another.

Some of the characteristics through which plant species can be separated are:

Gymnosperm or angiosperms: Pine are gymnosperm  plants whereas strawberry plants are angiosperms. Cactus is also a gymnosperm.

Their location: Plants can be separated based on their habitats. For example, Cactus are desert- plants whereas pine and strawberries are not desert plants.

They are seed- producing plants or spore producing plants: pine are spore producing plants. Strawberry are seed-producing plants.

Final answer:

Pine trees, strawberry plants, and cacti can be separated based on leaf structure, growth habit, and reproduction.

Explanation:

Scientists could use several characteristics to separate pine trees, strawberry plants, and cacti into smaller groups. Three possible characteristics include:

1. Leaf structure: Pine trees have needle-like leaves, strawberry plants have broad, toothed leaves, and cacti have spines instead of leaves.
2. Growth habit: Pine trees are tall, woody plants, strawberry plants are low-growing and produce runners, and cacti are succulent plants with thick stems.
3. Reproduction: Pine trees reproduce through the production of cones, strawberry plants reproduce through the production of seeds in their fruit, and cacti reproduce through the production of offsets or pups.

Learn more about Characteristics used to separate plants here:

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