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3 years ago

12

Ella is interested in combining substances to form a new material. What does she need to know before she combines the substances

to create a specific material?

1 answer:

Ganezh [65]3 years ago

8 0

Answer: Things to note are the physical and chemical reaction of the substances.

Explanation:

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The moon is about 240,000 mile from earth what is the order of magnitude of this number?

xenn [34]

The order of magnitude is calculated through logarithms. So log (240000) = 5.38. The order is 5. Good luck!

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3 years ago

A balloon filled with an ideal gas initially has a temperature of 24°C and a volume of 7.0 L. If the gas in the balloon is heate

torisob [31]

Answer:

8.9L

Explanation:

$\\ Using\quad Charles'\quad Law\\ \\ \frac { { V }_{ 1 } }{ { T }_{ 1 } } =\quad \frac { { V }_{ 2 } }{ { T }_{ 2 } } \\ provided\quad the\quad pressure\quad of\quad the\quad gas\quad is\quad kept\quad constant.\\ Temperature\quad should\quad be\quad in\quad Kelvins:\quad \\ Kelvin\quad Temperature\quad =\quad Celsius\quad Temperature\quad +\quad 273.15\quad \\ Given\quad information:\\ { V }_{ 1 }=\quad 7L\quad \quad \quad \quad \quad \quad { V }_{ 2}\quad is\quad unknown\quad \quad {T}_{ 1 }=\quad 24+273.15=297.5K\quad \quad \quad { T }_{ 2 }=104+273.15=377,15K\\ \therefore \quad \frac { 7L }{ 297.5K } =\frac { { V }_{ 2 } }{ 377.5K } \\ \quad \quad \quad 2640.05\quad =\quad 297.5{ V }_{ 2 }\\ \quad \quad \quad \quad \quad \quad \quad \quad { V }_{2}=\frac { 2640.05 }{ 297.5 } \quad \\ \quad \quad \quad \quad \quad \quad \quad \quad { V }_{ 2 }=8.9\quad L\quad to\quad the\quad nearest\quad tenth\quad of\quad a\quad liter.$

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2 years ago

Adaptations to desert life do not include?

schepotkina [342]

Answer:

Waterproof covering

Explanation:

It's the desert so it's pretty dry...they'd want to soak up as much water as possible

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3 years ago

Which human geographer developed the theory of cultural landscapes?

kobusy [5.1K]

It was Carl O. Sauer who did

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2 years ago

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Distribution of thermal energy across latitudes involves interaction between the hydrosphere and what other sphere

Elodia [21]

The answer is atmosphere. In atmosphere air is fluid like the hydrosphere and which can then go around with heat energy across great distances (latitudes) Heat can be transferred between air and water easily. Atmosphere Definition is vertical extension 10,000km (50% mass < 6km; 48% mass < 26km). Composition of atmosphere are N, O, Ar, variable gases (water vapor, carbon dioxide, ozone.

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2 years ago