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Classify the following statements regarding the law of conservation of mass as true or false It was developed from past observations?

True. The law of conservation of mass was developed based on past observations, experiments, and evidence that showed that mass is neither created nor destroyed in a chemical reaction.


What statements is TRUE about bases?

Bases are substances that can accept protons, they have a pH higher than 7, and they typically feel slippery or soapy to the touch.


Which one of the following statements is true regarding paragraph?

The length of a paragraph can vary, but it typically consists of a collection of related sentences that focus on a central idea or topic. A paragraph usually includes a topic sentence that introduces the main point or argument, supporting sentences that provide more information or evidence, and a concluding sentence that ties everything together.


The synthesis of carbon disulfide is spontaneous and exothermic at room temperature what must be true regarding this reaction?

The reverse reaction is endothermic and nonspontaneous.


Which two of the three statements that make up Dalton's atomic theory are no longer regarded as true?

The two statements that are no longer regarded as true in Dalton's atomic theory are: 1. Atoms are indivisible and indestructible (we now know that atoms can be divided into subatomic particles and can undergo nuclear reactions) and 2. All atoms of a given element are identical in mass and properties (we now know that isotopes exist, leading to variations in mass).

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